Home / 817,450.91-1,127,443.18-531,063.27

Finding the Fourth Proportional to 817,450.91, 1,127,443.18 and 531,063.27

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Solution

The fourth proportional to 817,450.91, 1,127,443.18 and 531,063.27 is: 732,452.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,450.91 : 1,127,443.18 = 531,063.27 : x
  2. Step 2: Convert to fraction form
    817,450.91/1,127,443.18 = 531,063.27/x
  3. Step 3: Cross multiply
    817,450.91x = 1,127,443.18 × 531,063.27
  4. Step 4: Simplify right side
    817,450.91x = 598,743,657,600.44
  5. Step 5: Solve for x
    x = 598,743,657,600.44/817,450.91
  6. Step 6: Final answer
    x = 732,452.13

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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.