Home / 887,070.30-1,330,605.45-381,873.30

Finding the Fourth Proportional to 887,070.30, 1,330,605.45 and 381,873.30

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Solution

The fourth proportional to 887,070.30, 1,330,605.45 and 381,873.30 is: 572,809.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,070.30 : 1,330,605.45 = 381,873.30 : x
  2. Step 2: Convert to fraction form
    887,070.30/1,330,605.45 = 381,873.30/x
  3. Step 3: Cross multiply
    887,070.30x = 1,330,605.45 × 381,873.30
  4. Step 4: Simplify right side
    887,070.30x = 508,122,694,189.49
  5. Step 5: Solve for x
    x = 508,122,694,189.49/887,070.30
  6. Step 6: Final answer
    x = 572,809.95

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Double scale
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Similar ratio
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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.