Home / 879,565.60-1,213,931.04-557,305.88

Finding the Fourth Proportional to 879,565.60, 1,213,931.04 and 557,305.88

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Solution

The fourth proportional to 879,565.60, 1,213,931.04 and 557,305.88 is: 769,164.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,565.60 : 1,213,931.04 = 557,305.88 : x
  2. Step 2: Convert to fraction form
    879,565.60/1,213,931.04 = 557,305.88/x
  3. Step 3: Cross multiply
    879,565.60x = 1,213,931.04 × 557,305.88
  4. Step 4: Simplify right side
    879,565.60x = 676,530,906,506.52
  5. Step 5: Solve for x
    x = 676,530,906,506.52/879,565.60
  6. Step 6: Final answer
    x = 769,164.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.