Home / 566,065.09-781,174.90-307,947.66

Finding the Fourth Proportional to 566,065.09, 781,174.90 and 307,947.66

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Solution

The fourth proportional to 566,065.09, 781,174.90 and 307,947.66 is: 424,970.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,065.09 : 781,174.90 = 307,947.66 : x
  2. Step 2: Convert to fraction form
    566,065.09/781,174.90 = 307,947.66/x
  3. Step 3: Cross multiply
    566,065.09x = 781,174.90 × 307,947.66
  4. Step 4: Simplify right side
    566,065.09x = 240,560,982,505.73
  5. Step 5: Solve for x
    x = 240,560,982,505.73/566,065.09
  6. Step 6: Final answer
    x = 424,970.53

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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.