Home / 649,966.47-896,999.43-363,513.21

Finding the Fourth Proportional to 649,966.47, 896,999.43 and 363,513.21

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Solution

The fourth proportional to 649,966.47, 896,999.43 and 363,513.21 is: 501,673.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,966.47 : 896,999.43 = 363,513.21 : x
  2. Step 2: Convert to fraction form
    649,966.47/896,999.43 = 363,513.21/x
  3. Step 3: Cross multiply
    649,966.47x = 896,999.43 × 363,513.21
  4. Step 4: Simplify right side
    649,966.47x = 326,071,142,167.47
  5. Step 5: Solve for x
    x = 326,071,142,167.47/649,966.47
  6. Step 6: Final answer
    x = 501,673.79

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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.