Home / 755,028.53-1,041,939.54-415,496.78

Finding the Fourth Proportional to 755,028.53, 1,041,939.54 and 415,496.78

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Solution

The fourth proportional to 755,028.53, 1,041,939.54 and 415,496.78 is: 573,385.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,028.53 : 1,041,939.54 = 415,496.78 : x
  2. Step 2: Convert to fraction form
    755,028.53/1,041,939.54 = 415,496.78/x
  3. Step 3: Cross multiply
    755,028.53x = 1,041,939.54 × 415,496.78
  4. Step 4: Simplify right side
    755,028.53x = 432,922,520,472.72
  5. Step 5: Solve for x
    x = 432,922,520,472.72/755,028.53
  6. Step 6: Final answer
    x = 573,385.65

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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.