Home / 755,845.20-1,134,205.20-282,578.40

Finding the Fourth Proportional to 755,845.20, 1,134,205.20 and 282,578.40

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Solution

The fourth proportional to 755,845.20, 1,134,205.20 and 282,578.40 is: 424,031.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,845.20 : 1,134,205.20 = 282,578.40 : x
  2. Step 2: Convert to fraction form
    755,845.20/1,134,205.20 = 282,578.40/x
  3. Step 3: Cross multiply
    755,845.20x = 1,134,205.20 × 282,578.40
  4. Step 4: Simplify right side
    755,845.20x = 320,501,890,687.68
  5. Step 5: Solve for x
    x = 320,501,890,687.68/755,845.20
  6. Step 6: Final answer
    x = 424,031.13

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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.