Home / 959,253.87-1,438,543.02-319,383.84

Finding the Fourth Proportional to 959,253.87, 1,438,543.02 and 319,383.84

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Solution

The fourth proportional to 959,253.87, 1,438,543.02 and 319,383.84 is: 478,963.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,253.87 : 1,438,543.02 = 319,383.84 : x
  2. Step 2: Convert to fraction form
    959,253.87/1,438,543.02 = 319,383.84/x
  3. Step 3: Cross multiply
    959,253.87x = 1,438,543.02 × 319,383.84
  4. Step 4: Simplify right side
    959,253.87x = 459,447,393,732.80
  5. Step 5: Solve for x
    x = 459,447,393,732.80/959,253.87
  6. Step 6: Final answer
    x = 478,963.29

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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.