Home / 762,086.08-1,142,212.02-281,931.04

Finding the Fourth Proportional to 762,086.08, 1,142,212.02 and 281,931.04

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Solution

The fourth proportional to 762,086.08, 1,142,212.02 and 281,931.04 is: 422,557.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,086.08 : 1,142,212.02 = 281,931.04 : x
  2. Step 2: Convert to fraction form
    762,086.08/1,142,212.02 = 281,931.04/x
  3. Step 3: Cross multiply
    762,086.08x = 1,142,212.02 × 281,931.04
  4. Step 4: Simplify right side
    762,086.08x = 322,025,022,699.10
  5. Step 5: Solve for x
    x = 322,025,022,699.10/762,086.08
  6. Step 6: Final answer
    x = 422,557.28

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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.