Home / 747,155.60-1,031,154.14-456,936.94

Finding the Fourth Proportional to 747,155.60, 1,031,154.14 and 456,936.94

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Solution

The fourth proportional to 747,155.60, 1,031,154.14 and 456,936.94 is: 630,621.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,155.60 : 1,031,154.14 = 456,936.94 : x
  2. Step 2: Convert to fraction form
    747,155.60/1,031,154.14 = 456,936.94/x
  3. Step 3: Cross multiply
    747,155.60x = 1,031,154.14 × 456,936.94
  4. Step 4: Simplify right side
    747,155.60x = 471,172,417,399.93
  5. Step 5: Solve for x
    x = 471,172,417,399.93/747,155.60
  6. Step 6: Final answer
    x = 630,621.54

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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.