Home / 959,862.98-1,439,646.51-320,177.90

Finding the Fourth Proportional to 959,862.98, 1,439,646.51 and 320,177.90

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Solution

The fourth proportional to 959,862.98, 1,439,646.51 and 320,177.90 is: 480,217.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,862.98 : 1,439,646.51 = 320,177.90 : x
  2. Step 2: Convert to fraction form
    959,862.98/1,439,646.51 = 320,177.90/x
  3. Step 3: Cross multiply
    959,862.98x = 1,439,646.51 × 320,177.90
  4. Step 4: Simplify right side
    959,862.98x = 460,942,996,314.13
  5. Step 5: Solve for x
    x = 460,942,996,314.13/959,862.98
  6. Step 6: Final answer
    x = 480,217.50

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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.