Home / 566,055.04-781,176.72-311,425.60

Finding the Fourth Proportional to 566,055.04, 781,176.72 and 311,425.60

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Solution

The fourth proportional to 566,055.04, 781,176.72 and 311,425.60 is: 429,778.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,055.04 : 781,176.72 = 311,425.60 : x
  2. Step 2: Convert to fraction form
    566,055.04/781,176.72 = 311,425.60/x
  3. Step 3: Cross multiply
    566,055.04x = 781,176.72 × 311,425.60
  4. Step 4: Simplify right side
    566,055.04x = 243,278,428,732.03
  5. Step 5: Solve for x
    x = 243,278,428,732.03/566,055.04
  6. Step 6: Final answer
    x = 429,778.75

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1.5x scale

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.