Home / 566,127.52-781,268.08-311,479.44

Finding the Fourth Proportional to 566,127.52, 781,268.08 and 311,479.44

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Solution

The fourth proportional to 566,127.52, 781,268.08 and 311,479.44 is: 429,848.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,127.52 : 781,268.08 = 311,479.44 : x
  2. Step 2: Convert to fraction form
    566,127.52/781,268.08 = 311,479.44/x
  3. Step 3: Cross multiply
    566,127.52x = 781,268.08 × 311,479.44
  4. Step 4: Simplify right side
    566,127.52x = 243,348,944,048.28
  5. Step 5: Solve for x
    x = 243,348,944,048.28/566,127.52
  6. Step 6: Final answer
    x = 429,848.29

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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.