Home / 774,135.75-1,068,270.78-429,993.84

Finding the Fourth Proportional to 774,135.75, 1,068,270.78 and 429,993.84

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Solution

The fourth proportional to 774,135.75, 1,068,270.78 and 429,993.84 is: 593,371.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,135.75 : 1,068,270.78 = 429,993.84 : x
  2. Step 2: Convert to fraction form
    774,135.75/1,068,270.78 = 429,993.84/x
  3. Step 3: Cross multiply
    774,135.75x = 1,068,270.78 × 429,993.84
  4. Step 4: Simplify right side
    774,135.75x = 459,349,854,852.00
  5. Step 5: Solve for x
    x = 459,349,854,852.00/774,135.75
  6. Step 6: Final answer
    x = 593,371.19

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Double scale
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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.