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Finding the Fourth Proportional to 696,250.16, 960,821.88 and 394,443.44

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Solution

The fourth proportional to 696,250.16, 960,821.88 and 394,443.44 is: 544,330.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,250.16 : 960,821.88 = 394,443.44 : x
  2. Step 2: Convert to fraction form
    696,250.16/960,821.88 = 394,443.44/x
  3. Step 3: Cross multiply
    696,250.16x = 960,821.88 × 394,443.44
  4. Step 4: Simplify right side
    696,250.16x = 378,989,887,574.47
  5. Step 5: Solve for x
    x = 378,989,887,574.47/696,250.16
  6. Step 6: Final answer
    x = 544,330.05

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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.