Home / 530,496.24-732,084.89-288,780.64

Finding the Fourth Proportional to 530,496.24, 732,084.89 and 288,780.64

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Solution

The fourth proportional to 530,496.24, 732,084.89 and 288,780.64 is: 398,517.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,496.24 : 732,084.89 = 288,780.64 : x
  2. Step 2: Convert to fraction form
    530,496.24/732,084.89 = 288,780.64/x
  3. Step 3: Cross multiply
    530,496.24x = 732,084.89 × 288,780.64
  4. Step 4: Simplify right side
    530,496.24x = 211,411,943,912.39
  5. Step 5: Solve for x
    x = 211,411,943,912.39/530,496.24
  6. Step 6: Final answer
    x = 398,517.33

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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.