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Finding the Fourth Proportional to 564,569.31, 779,102.33 and 306,451.38

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Solution

The fourth proportional to 564,569.31, 779,102.33 and 306,451.38 is: 422,901.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,569.31 : 779,102.33 = 306,451.38 : x
  2. Step 2: Convert to fraction form
    564,569.31/779,102.33 = 306,451.38/x
  3. Step 3: Cross multiply
    564,569.31x = 779,102.33 × 306,451.38
  4. Step 4: Simplify right side
    564,569.31x = 238,756,982,657.46
  5. Step 5: Solve for x
    x = 238,756,982,657.46/564,569.31
  6. Step 6: Final answer
    x = 422,901.10

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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.