Home / 985,424.24-1,359,888.92-532,715.28

Finding the Fourth Proportional to 985,424.24, 1,359,888.92 and 532,715.28

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Solution

The fourth proportional to 985,424.24, 1,359,888.92 and 532,715.28 is: 735,148.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,424.24 : 1,359,888.92 = 532,715.28 : x
  2. Step 2: Convert to fraction form
    985,424.24/1,359,888.92 = 532,715.28/x
  3. Step 3: Cross multiply
    985,424.24x = 1,359,888.92 × 532,715.28
  4. Step 4: Simplify right side
    985,424.24x = 724,433,606,786.70
  5. Step 5: Solve for x
    x = 724,433,606,786.70/985,424.24
  6. Step 6: Final answer
    x = 735,148.96

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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.