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Finding the Fourth Proportional to 564,646.38, 779,187.51 and 310,001.82

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Solution

The fourth proportional to 564,646.38, 779,187.51 and 310,001.82 is: 427,789.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,646.38 : 779,187.51 = 310,001.82 : x
  2. Step 2: Convert to fraction form
    564,646.38/779,187.51 = 310,001.82/x
  3. Step 3: Cross multiply
    564,646.38x = 779,187.51 × 310,001.82
  4. Step 4: Simplify right side
    564,646.38x = 241,549,546,221.27
  5. Step 5: Solve for x
    x = 241,549,546,221.27/564,646.38
  6. Step 6: Final answer
    x = 427,789.06

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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.