Home / 747,561.06-1,031,768.01-445,774.50

Finding the Fourth Proportional to 747,561.06, 1,031,768.01 and 445,774.50

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Solution

The fourth proportional to 747,561.06, 1,031,768.01 and 445,774.50 is: 615,248.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,561.06 : 1,031,768.01 = 445,774.50 : x
  2. Step 2: Convert to fraction form
    747,561.06/1,031,768.01 = 445,774.50/x
  3. Step 3: Cross multiply
    747,561.06x = 1,031,768.01 × 445,774.50
  4. Step 4: Simplify right side
    747,561.06x = 459,935,868,773.75
  5. Step 5: Solve for x
    x = 459,935,868,773.75/747,561.06
  6. Step 6: Final answer
    x = 615,248.56

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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.