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Finding the Fourth Proportional to 564,759.25, 779,373.24 and 310,115.91

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Solution

The fourth proportional to 564,759.25, 779,373.24 and 310,115.91 is: 427,962.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,759.25 : 779,373.24 = 310,115.91 : x
  2. Step 2: Convert to fraction form
    564,759.25/779,373.24 = 310,115.91/x
  3. Step 3: Cross multiply
    564,759.25x = 779,373.24 × 310,115.91
  4. Step 4: Simplify right side
    564,759.25x = 241,696,041,552.25
  5. Step 5: Solve for x
    x = 241,696,041,552.25/564,759.25
  6. Step 6: Final answer
    x = 427,962.96

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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.