Home / 813,887.52-1,123,222.32-451,346.10

Finding the Fourth Proportional to 813,887.52, 1,123,222.32 and 451,346.10

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Solution

The fourth proportional to 813,887.52, 1,123,222.32 and 451,346.10 is: 622,889.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,887.52 : 1,123,222.32 = 451,346.10 : x
  2. Step 2: Convert to fraction form
    813,887.52/1,123,222.32 = 451,346.10/x
  3. Step 3: Cross multiply
    813,887.52x = 1,123,222.32 × 451,346.10
  4. Step 4: Simplify right side
    813,887.52x = 506,962,013,564.95
  5. Step 5: Solve for x
    x = 506,962,013,564.95/813,887.52
  6. Step 6: Final answer
    x = 622,889.53

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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.