Home / 750,829.38-1,036,144.73-411,309.70

Finding the Fourth Proportional to 750,829.38, 1,036,144.73 and 411,309.70

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Solution

The fourth proportional to 750,829.38, 1,036,144.73 and 411,309.70 is: 567,607.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,829.38 : 1,036,144.73 = 411,309.70 : x
  2. Step 2: Convert to fraction form
    750,829.38/1,036,144.73 = 411,309.70/x
  3. Step 3: Cross multiply
    750,829.38x = 1,036,144.73 × 411,309.70
  4. Step 4: Simplify right side
    750,829.38x = 426,176,378,052.88
  5. Step 5: Solve for x
    x = 426,176,378,052.88/750,829.38
  6. Step 6: Final answer
    x = 567,607.49

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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.