Home / 827,373.72-1,141,775.10-469,677.72

Finding the Fourth Proportional to 827,373.72, 1,141,775.10 and 469,677.72

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Solution

The fourth proportional to 827,373.72, 1,141,775.10 and 469,677.72 is: 648,154.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,373.72 : 1,141,775.10 = 469,677.72 : x
  2. Step 2: Convert to fraction form
    827,373.72/1,141,775.10 = 469,677.72/x
  3. Step 3: Cross multiply
    827,373.72x = 1,141,775.10 × 469,677.72
  4. Step 4: Simplify right side
    827,373.72x = 536,266,325,720.77
  5. Step 5: Solve for x
    x = 536,266,325,720.77/827,373.72
  6. Step 6: Final answer
    x = 648,154.89

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.