Home / 878,884.47-1,210,691.34-749,401.53

Finding the Fourth Proportional to 878,884.47, 1,210,691.34 and 749,401.53

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Solution

The fourth proportional to 878,884.47, 1,210,691.34 and 749,401.53 is: 1,032,324.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,884.47 : 1,210,691.34 = 749,401.53 : x
  2. Step 2: Convert to fraction form
    878,884.47/1,210,691.34 = 749,401.53/x
  3. Step 3: Cross multiply
    878,884.47x = 1,210,691.34 × 749,401.53
  4. Step 4: Simplify right side
    878,884.47x = 907,293,942,553.75
  5. Step 5: Solve for x
    x = 907,293,942,553.75/878,884.47
  6. Step 6: Final answer
    x = 1,032,324.47

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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.