Home / 748,934.53-1,123,291.05-275,509.17

Finding the Fourth Proportional to 748,934.53, 1,123,291.05 and 275,509.17

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Solution

The fourth proportional to 748,934.53, 1,123,291.05 and 275,509.17 is: 413,223.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,934.53 : 1,123,291.05 = 275,509.17 : x
  2. Step 2: Convert to fraction form
    748,934.53/1,123,291.05 = 275,509.17/x
  3. Step 3: Cross multiply
    748,934.53x = 1,123,291.05 × 275,509.17
  4. Step 4: Simplify right side
    748,934.53x = 309,476,983,078.86
  5. Step 5: Solve for x
    x = 309,476,983,078.86/748,934.53
  6. Step 6: Final answer
    x = 413,223.02

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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.