Home / 888,967.71-1,333,579.95-289,780.74

Finding the Fourth Proportional to 888,967.71, 1,333,579.95 and 289,780.74

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Solution

The fourth proportional to 888,967.71, 1,333,579.95 and 289,780.74 is: 434,712.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,967.71 : 1,333,579.95 = 289,780.74 : x
  2. Step 2: Convert to fraction form
    888,967.71/1,333,579.95 = 289,780.74/x
  3. Step 3: Cross multiply
    888,967.71x = 1,333,579.95 × 289,780.74
  4. Step 4: Simplify right side
    888,967.71x = 386,445,784,760.16
  5. Step 5: Solve for x
    x = 386,445,784,760.16/888,967.71
  6. Step 6: Final answer
    x = 434,712.96

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1.5x scale

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.