Home / 774,441.76-1,068,753.54-434,917.30

Finding the Fourth Proportional to 774,441.76, 1,068,753.54 and 434,917.30

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Solution

The fourth proportional to 774,441.76, 1,068,753.54 and 434,917.30 is: 600,199.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,441.76 : 1,068,753.54 = 434,917.30 : x
  2. Step 2: Convert to fraction form
    774,441.76/1,068,753.54 = 434,917.30/x
  3. Step 3: Cross multiply
    774,441.76x = 1,068,753.54 × 434,917.30
  4. Step 4: Simplify right side
    774,441.76x = 464,819,403,982.24
  5. Step 5: Solve for x
    x = 464,819,403,982.24/774,441.76
  6. Step 6: Final answer
    x = 600,199.30

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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.