Home / 958,862.72-1,438,528.17-319,165.22

Finding the Fourth Proportional to 958,862.72, 1,438,528.17 and 319,165.22

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Solution

The fourth proportional to 958,862.72, 1,438,528.17 and 319,165.22 is: 478,825.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,862.72 : 1,438,528.17 = 319,165.22 : x
  2. Step 2: Convert to fraction form
    958,862.72/1,438,528.17 = 319,165.22/x
  3. Step 3: Cross multiply
    958,862.72x = 1,438,528.17 × 319,165.22
  4. Step 4: Simplify right side
    958,862.72x = 459,128,152,661.61
  5. Step 5: Solve for x
    x = 459,128,152,661.61/958,862.72
  6. Step 6: Final answer
    x = 478,825.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.