Home / 901,180.89-1,243,545.21-538,532.55

Finding the Fourth Proportional to 901,180.89, 1,243,545.21 and 538,532.55

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Solution

The fourth proportional to 901,180.89, 1,243,545.21 and 538,532.55 is: 743,124.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,180.89 : 1,243,545.21 = 538,532.55 : x
  2. Step 2: Convert to fraction form
    901,180.89/1,243,545.21 = 538,532.55/x
  3. Step 3: Cross multiply
    901,180.89x = 1,243,545.21 × 538,532.55
  4. Step 4: Simplify right side
    901,180.89x = 669,689,572,981.59
  5. Step 5: Solve for x
    x = 669,689,572,981.59/901,180.89
  6. Step 6: Final answer
    x = 743,124.47

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1.5x scale

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.