Home / 814,434.08-1,123,972.20-470,284.52

Finding the Fourth Proportional to 814,434.08, 1,123,972.20 and 470,284.52

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Solution

The fourth proportional to 814,434.08, 1,123,972.20 and 470,284.52 is: 649,023.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,434.08 : 1,123,972.20 = 470,284.52 : x
  2. Step 2: Convert to fraction form
    814,434.08/1,123,972.20 = 470,284.52/x
  3. Step 3: Cross multiply
    814,434.08x = 1,123,972.20 × 470,284.52
  4. Step 4: Simplify right side
    814,434.08x = 528,586,726,570.34
  5. Step 5: Solve for x
    x = 528,586,726,570.34/814,434.08
  6. Step 6: Final answer
    x = 649,023.34

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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.