Home / 814,227.27-1,123,685.10-470,126.75

Finding the Fourth Proportional to 814,227.27, 1,123,685.10 and 470,126.75

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Solution

The fourth proportional to 814,227.27, 1,123,685.10 and 470,126.75 is: 648,804.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,227.27 : 1,123,685.10 = 470,126.75 : x
  2. Step 2: Convert to fraction form
    814,227.27/1,123,685.10 = 470,126.75/x
  3. Step 3: Cross multiply
    814,227.27x = 1,123,685.10 × 470,126.75
  4. Step 4: Simplify right side
    814,227.27x = 528,274,418,468.00
  5. Step 5: Solve for x
    x = 528,274,418,468.00/814,227.27
  6. Step 6: Final answer
    x = 648,804.62

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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.