Home / 966,072.30-1,449,108.45-487,775.40

Finding the Fourth Proportional to 966,072.30, 1,449,108.45 and 487,775.40

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Solution

The fourth proportional to 966,072.30, 1,449,108.45 and 487,775.40 is: 731,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,072.30 : 1,449,108.45 = 487,775.40 : x
  2. Step 2: Convert to fraction form
    966,072.30/1,449,108.45 = 487,775.40/x
  3. Step 3: Cross multiply
    966,072.30x = 1,449,108.45 × 487,775.40
  4. Step 4: Simplify right side
    966,072.30x = 706,839,453,842.13
  5. Step 5: Solve for x
    x = 706,839,453,842.13/966,072.30
  6. Step 6: Final answer
    x = 731,663.10

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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.