Home / 961,281.30-1,439,953.65-488,233.20

Finding the Fourth Proportional to 961,281.30, 1,439,953.65 and 488,233.20

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Solution

The fourth proportional to 961,281.30, 1,439,953.65 and 488,233.20 is: 731,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,281.30 : 1,439,953.65 = 488,233.20 : x
  2. Step 2: Convert to fraction form
    961,281.30/1,439,953.65 = 488,233.20/x
  3. Step 3: Cross multiply
    961,281.30x = 1,439,953.65 × 488,233.20
  4. Step 4: Simplify right side
    961,281.30x = 703,033,178,391.18
  5. Step 5: Solve for x
    x = 703,033,178,391.18/961,281.30
  6. Step 6: Final answer
    x = 731,350.10

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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.