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Finding the Fourth Proportional to 888,068.88, 1,331,752.68 and 355,490.64

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Solution

The fourth proportional to 888,068.88, 1,331,752.68 and 355,490.64 is: 533,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,068.88 : 1,331,752.68 = 355,490.64 : x
  2. Step 2: Convert to fraction form
    888,068.88/1,331,752.68 = 355,490.64/x
  3. Step 3: Cross multiply
    888,068.88x = 1,331,752.68 × 355,490.64
  4. Step 4: Simplify right side
    888,068.88x = 473,425,612,534.92
  5. Step 5: Solve for x
    x = 473,425,612,534.92/888,068.88
  6. Step 6: Final answer
    x = 533,095.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.