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Finding the Fourth Proportional to 564,070.52, 778,410.06 and 322,350.32

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Solution

The fourth proportional to 564,070.52, 778,410.06 and 322,350.32 is: 444,839.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,070.52 : 778,410.06 = 322,350.32 : x
  2. Step 2: Convert to fraction form
    564,070.52/778,410.06 = 322,350.32/x
  3. Step 3: Cross multiply
    564,070.52x = 778,410.06 × 322,350.32
  4. Step 4: Simplify right side
    564,070.52x = 250,920,731,932.22
  5. Step 5: Solve for x
    x = 250,920,731,932.22/564,070.52
  6. Step 6: Final answer
    x = 444,839.29

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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.