Home / 897,671.36-1,345,753.14-391,847.48

Finding the Fourth Proportional to 897,671.36, 1,345,753.14 and 391,847.48

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Solution

The fourth proportional to 897,671.36, 1,345,753.14 and 391,847.48 is: 587,442.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,671.36 : 1,345,753.14 = 391,847.48 : x
  2. Step 2: Convert to fraction form
    897,671.36/1,345,753.14 = 391,847.48/x
  3. Step 3: Cross multiply
    897,671.36x = 1,345,753.14 × 391,847.48
  4. Step 4: Simplify right side
    897,671.36x = 527,329,976,611.09
  5. Step 5: Solve for x
    x = 527,329,976,611.09/897,671.36
  6. Step 6: Final answer
    x = 587,442.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.