Home / 722,217.69-996,982.29-477,349.93

Finding the Fourth Proportional to 722,217.69, 996,982.29 and 477,349.93

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Solution

The fourth proportional to 722,217.69, 996,982.29 and 477,349.93 is: 658,955.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,217.69 : 996,982.29 = 477,349.93 : x
  2. Step 2: Convert to fraction form
    722,217.69/996,982.29 = 477,349.93/x
  3. Step 3: Cross multiply
    722,217.69x = 996,982.29 × 477,349.93
  4. Step 4: Simplify right side
    722,217.69x = 475,909,427,588.97
  5. Step 5: Solve for x
    x = 475,909,427,588.97/722,217.69
  6. Step 6: Final answer
    x = 658,955.65

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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.