Home / 888,968.71-1,333,581.45-289,781.74

Finding the Fourth Proportional to 888,968.71, 1,333,581.45 and 289,781.74

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Solution

The fourth proportional to 888,968.71, 1,333,581.45 and 289,781.74 is: 434,714.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,968.71 : 1,333,581.45 = 289,781.74 : x
  2. Step 2: Convert to fraction form
    888,968.71/1,333,581.45 = 289,781.74/x
  3. Step 3: Cross multiply
    888,968.71x = 1,333,581.45 × 289,781.74
  4. Step 4: Simplify right side
    888,968.71x = 386,447,553,012.72
  5. Step 5: Solve for x
    x = 386,447,553,012.72/888,968.71
  6. Step 6: Final answer
    x = 434,714.46

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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.