Home / 762,901.20-1,145,007.90-337,092.30

Finding the Fourth Proportional to 762,901.20, 1,145,007.90 and 337,092.30

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Solution

The fourth proportional to 762,901.20, 1,145,007.90 and 337,092.30 is: 505,928.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,901.20 : 1,145,007.90 = 337,092.30 : x
  2. Step 2: Convert to fraction form
    762,901.20/1,145,007.90 = 337,092.30/x
  3. Step 3: Cross multiply
    762,901.20x = 1,145,007.90 × 337,092.30
  4. Step 4: Simplify right side
    762,901.20x = 385,973,346,529.17
  5. Step 5: Solve for x
    x = 385,973,346,529.17/762,901.20
  6. Step 6: Final answer
    x = 505,928.35

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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.