Home / 912,384.67-1,259,083.21-525,275.95

Finding the Fourth Proportional to 912,384.67, 1,259,083.21 and 525,275.95

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Solution

The fourth proportional to 912,384.67, 1,259,083.21 and 525,275.95 is: 724,876.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,384.67 : 1,259,083.21 = 525,275.95 : x
  2. Step 2: Convert to fraction form
    912,384.67/1,259,083.21 = 525,275.95/x
  3. Step 3: Cross multiply
    912,384.67x = 1,259,083.21 × 525,275.95
  4. Step 4: Simplify right side
    912,384.67x = 661,366,120,340.00
  5. Step 5: Solve for x
    x = 661,366,120,340.00/912,384.67
  6. Step 6: Final answer
    x = 724,876.41

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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.