Home / 566,278.06-781,480.15-308,171.66

Finding the Fourth Proportional to 566,278.06, 781,480.15 and 308,171.66

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Solution

The fourth proportional to 566,278.06, 781,480.15 and 308,171.66 is: 425,285.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,278.06 : 781,480.15 = 308,171.66 : x
  2. Step 2: Convert to fraction form
    566,278.06/781,480.15 = 308,171.66/x
  3. Step 3: Cross multiply
    566,278.06x = 781,480.15 × 308,171.66
  4. Step 4: Simplify right side
    566,278.06x = 240,830,035,082.55
  5. Step 5: Solve for x
    x = 240,830,035,082.55/566,278.06
  6. Step 6: Final answer
    x = 425,285.83

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Double scale
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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.