Home / 566,103.40-781,224.10-311,470.44

Finding the Fourth Proportional to 566,103.40, 781,224.10 and 311,470.44

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Solution

The fourth proportional to 566,103.40, 781,224.10 and 311,470.44 is: 429,829.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,103.40 : 781,224.10 = 311,470.44 : x
  2. Step 2: Convert to fraction form
    566,103.40/781,224.10 = 311,470.44/x
  3. Step 3: Cross multiply
    566,103.40x = 781,224.10 × 311,470.44
  4. Step 4: Simplify right side
    566,103.40x = 243,328,214,165.60
  5. Step 5: Solve for x
    x = 243,328,214,165.60/566,103.40
  6. Step 6: Final answer
    x = 429,829.98

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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.