Home / 862,832.10-1,294,248.15-442,928.10

Finding the Fourth Proportional to 862,832.10, 1,294,248.15 and 442,928.10

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Solution

The fourth proportional to 862,832.10, 1,294,248.15 and 442,928.10 is: 664,392.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,832.10 : 1,294,248.15 = 442,928.10 : x
  2. Step 2: Convert to fraction form
    862,832.10/1,294,248.15 = 442,928.10/x
  3. Step 3: Cross multiply
    862,832.10x = 1,294,248.15 × 442,928.10
  4. Step 4: Simplify right side
    862,832.10x = 573,258,874,008.02
  5. Step 5: Solve for x
    x = 573,258,874,008.02/862,832.10
  6. Step 6: Final answer
    x = 664,392.15

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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.