Home / 748,921.26-1,123,271.18-275,495.91

Finding the Fourth Proportional to 748,921.26, 1,123,271.18 and 275,495.91

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Solution

The fourth proportional to 748,921.26, 1,123,271.18 and 275,495.91 is: 413,203.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,921.26 : 1,123,271.18 = 275,495.91 : x
  2. Step 2: Convert to fraction form
    748,921.26/1,123,271.18 = 275,495.91/x
  3. Step 3: Cross multiply
    748,921.26x = 1,123,271.18 × 275,495.91
  4. Step 4: Simplify right side
    748,921.26x = 309,456,611,354.24
  5. Step 5: Solve for x
    x = 309,456,611,354.24/748,921.26
  6. Step 6: Final answer
    x = 413,203.13

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1.5x scale

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.