Home / 774,624.78-1,069,185.20-435,202.38

Finding the Fourth Proportional to 774,624.78, 1,069,185.20 and 435,202.38

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Solution

The fourth proportional to 774,624.78, 1,069,185.20 and 435,202.38 is: 600,693.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,624.78 : 1,069,185.20 = 435,202.38 : x
  2. Step 2: Convert to fraction form
    774,624.78/1,069,185.20 = 435,202.38/x
  3. Step 3: Cross multiply
    774,624.78x = 1,069,185.20 × 435,202.38
  4. Step 4: Simplify right side
    774,624.78x = 465,311,941,524.76
  5. Step 5: Solve for x
    x = 465,311,941,524.76/774,624.78
  6. Step 6: Final answer
    x = 600,693.33

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.