Home / 748,933.80-1,123,400.70-538,981.80

Finding the Fourth Proportional to 748,933.80, 1,123,400.70 and 538,981.80

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Solution

The fourth proportional to 748,933.80, 1,123,400.70 and 538,981.80 is: 808,472.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,933.80 : 1,123,400.70 = 538,981.80 : x
  2. Step 2: Convert to fraction form
    748,933.80/1,123,400.70 = 538,981.80/x
  3. Step 3: Cross multiply
    748,933.80x = 1,123,400.70 × 538,981.80
  4. Step 4: Simplify right side
    748,933.80x = 605,492,531,407.26
  5. Step 5: Solve for x
    x = 605,492,531,407.26/748,933.80
  6. Step 6: Final answer
    x = 808,472.70

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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.