Home / 566,278.42-781,480.65-308,172.02

Finding the Fourth Proportional to 566,278.42, 781,480.65 and 308,172.02

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Solution

The fourth proportional to 566,278.42, 781,480.65 and 308,172.02 is: 425,286.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,278.42 : 781,480.65 = 308,172.02 : x
  2. Step 2: Convert to fraction form
    566,278.42/781,480.65 = 308,172.02/x
  3. Step 3: Cross multiply
    566,278.42x = 781,480.65 × 308,172.02
  4. Step 4: Simplify right side
    566,278.42x = 240,830,472,145.48
  5. Step 5: Solve for x
    x = 240,830,472,145.48/566,278.42
  6. Step 6: Final answer
    x = 425,286.33

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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.