Home / 875,102.31-1,207,634.01-487,913.13

Finding the Fourth Proportional to 875,102.31, 1,207,634.01 and 487,913.13

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Solution

The fourth proportional to 875,102.31, 1,207,634.01 and 487,913.13 is: 673,316.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,102.31 : 1,207,634.01 = 487,913.13 : x
  2. Step 2: Convert to fraction form
    875,102.31/1,207,634.01 = 487,913.13/x
  3. Step 3: Cross multiply
    875,102.31x = 1,207,634.01 × 487,913.13
  4. Step 4: Simplify right side
    875,102.31x = 589,220,489,713.55
  5. Step 5: Solve for x
    x = 589,220,489,713.55/875,102.31
  6. Step 6: Final answer
    x = 673,316.12

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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.