Home / 524,922.30-724,371.93-310,131.90

Finding the Fourth Proportional to 524,922.30, 724,371.93 and 310,131.90

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Solution

The fourth proportional to 524,922.30, 724,371.93 and 310,131.90 is: 427,969.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,922.30 : 724,371.93 = 310,131.90 : x
  2. Step 2: Convert to fraction form
    524,922.30/724,371.93 = 310,131.90/x
  3. Step 3: Cross multiply
    524,922.30x = 724,371.93 × 310,131.90
  4. Step 4: Simplify right side
    524,922.30x = 224,650,842,957.57
  5. Step 5: Solve for x
    x = 224,650,842,957.57/524,922.30
  6. Step 6: Final answer
    x = 427,969.71

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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.