Home / 640,922.66-960,543.03-471,650.66

Finding the Fourth Proportional to 640,922.66, 960,543.03 and 471,650.66

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Solution

The fourth proportional to 640,922.66, 960,543.03 and 471,650.66 is: 706,857.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,922.66 : 960,543.03 = 471,650.66 : x
  2. Step 2: Convert to fraction form
    640,922.66/960,543.03 = 471,650.66/x
  3. Step 3: Cross multiply
    640,922.66x = 960,543.03 × 471,650.66
  4. Step 4: Simplify right side
    640,922.66x = 453,040,754,057.90
  5. Step 5: Solve for x
    x = 453,040,754,057.90/640,922.66
  6. Step 6: Final answer
    x = 706,857.13

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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.