Home / 961,314.30-1,440,003.15-488,266.20

Finding the Fourth Proportional to 961,314.30, 1,440,003.15 and 488,266.20

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Solution

The fourth proportional to 961,314.30, 1,440,003.15 and 488,266.20 is: 731,399.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,314.30 : 1,440,003.15 = 488,266.20 : x
  2. Step 2: Convert to fraction form
    961,314.30/1,440,003.15 = 488,266.20/x
  3. Step 3: Cross multiply
    961,314.30x = 1,440,003.15 × 488,266.20
  4. Step 4: Simplify right side
    961,314.30x = 703,104,866,038.53
  5. Step 5: Solve for x
    x = 703,104,866,038.53/961,314.30
  6. Step 6: Final answer
    x = 731,399.57

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Double scale
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1.5x scale

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.