Home / 663,436.04-994,564.72-258,534.52

Finding the Fourth Proportional to 663,436.04, 994,564.72 and 258,534.52

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Solution

The fourth proportional to 663,436.04, 994,564.72 and 258,534.52 is: 387,572.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,436.04 : 994,564.72 = 258,534.52 : x
  2. Step 2: Convert to fraction form
    663,436.04/994,564.72 = 258,534.52/x
  3. Step 3: Cross multiply
    663,436.04x = 994,564.72 × 258,534.52
  4. Step 4: Simplify right side
    663,436.04x = 257,129,312,494.13
  5. Step 5: Solve for x
    x = 257,129,312,494.13/663,436.04
  6. Step 6: Final answer
    x = 387,572.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.