Home / 1,087,531.80-1,630,520.10-488,002.20

Finding the Fourth Proportional to 1,087,531.80, 1,630,520.10 and 488,002.20

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Solution

The fourth proportional to 1,087,531.80, 1,630,520.10 and 488,002.20 is: 731,654.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,531.80 : 1,630,520.10 = 488,002.20 : x
  2. Step 2: Convert to fraction form
    1,087,531.80/1,630,520.10 = 488,002.20/x
  3. Step 3: Cross multiply
    1,087,531.80x = 1,630,520.10 × 488,002.20
  4. Step 4: Simplify right side
    1,087,531.80x = 795,697,395,944.22
  5. Step 5: Solve for x
    x = 795,697,395,944.22/1,087,531.80
  6. Step 6: Final answer
    x = 731,654.37

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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.