Home / 457,869.05-631,131.07-360,915.70

Finding the Fourth Proportional to 457,869.05, 631,131.07 and 360,915.70

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Solution

The fourth proportional to 457,869.05, 631,131.07 and 360,915.70 is: 497,489.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,869.05 : 631,131.07 = 360,915.70 : x
  2. Step 2: Convert to fraction form
    457,869.05/631,131.07 = 360,915.70/x
  3. Step 3: Cross multiply
    457,869.05x = 631,131.07 × 360,915.70
  4. Step 4: Simplify right side
    457,869.05x = 227,785,111,920.80
  5. Step 5: Solve for x
    x = 227,785,111,920.80/457,869.05
  6. Step 6: Final answer
    x = 497,489.65

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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.