Home / 766,901.43-1,150,354.98-234,420.39

Finding the Fourth Proportional to 766,901.43, 1,150,354.98 and 234,420.39

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Solution

The fourth proportional to 766,901.43, 1,150,354.98 and 234,420.39 is: 351,631.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,901.43 : 1,150,354.98 = 234,420.39 : x
  2. Step 2: Convert to fraction form
    766,901.43/1,150,354.98 = 234,420.39/x
  3. Step 3: Cross multiply
    766,901.43x = 1,150,354.98 × 234,420.39
  4. Step 4: Simplify right side
    766,901.43x = 269,666,663,050.04
  5. Step 5: Solve for x
    x = 269,666,663,050.04/766,901.43
  6. Step 6: Final answer
    x = 351,631.45

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.