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Finding the Fourth Proportional to 574,534.04, 861,924.56 and 286,502.64

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Solution

The fourth proportional to 574,534.04, 861,924.56 and 286,502.64 is: 429,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,534.04 : 861,924.56 = 286,502.64 : x
  2. Step 2: Convert to fraction form
    574,534.04/861,924.56 = 286,502.64/x
  3. Step 3: Cross multiply
    574,534.04x = 861,924.56 × 286,502.64
  4. Step 4: Simplify right side
    574,534.04x = 246,943,661,920.84
  5. Step 5: Solve for x
    x = 246,943,661,920.84/574,534.04
  6. Step 6: Final answer
    x = 429,815.55

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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.