Home / 747,799.10-1,121,569.05-274,240.70

Finding the Fourth Proportional to 747,799.10, 1,121,569.05 and 274,240.70

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Solution

The fourth proportional to 747,799.10, 1,121,569.05 and 274,240.70 is: 411,313.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,799.10 : 1,121,569.05 = 274,240.70 : x
  2. Step 2: Convert to fraction form
    747,799.10/1,121,569.05 = 274,240.70/x
  3. Step 3: Cross multiply
    747,799.10x = 1,121,569.05 × 274,240.70
  4. Step 4: Simplify right side
    747,799.10x = 307,579,881,370.34
  5. Step 5: Solve for x
    x = 307,579,881,370.34/747,799.10
  6. Step 6: Final answer
    x = 411,313.52

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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.