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Finding the Fourth Proportional to 888,656.32, 1,333,730.86 and 383,598.74

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Solution

The fourth proportional to 888,656.32, 1,333,730.86 and 383,598.74 is: 575,720.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,656.32 : 1,333,730.86 = 383,598.74 : x
  2. Step 2: Convert to fraction form
    888,656.32/1,333,730.86 = 383,598.74/x
  3. Step 3: Cross multiply
    888,656.32x = 1,333,730.86 × 383,598.74
  4. Step 4: Simplify right side
    888,656.32x = 511,617,474,425.95
  5. Step 5: Solve for x
    x = 511,617,474,425.95/888,656.32
  6. Step 6: Final answer
    x = 575,720.29

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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.