Home / 943,158.08-1,413,883.80-343,978.88

Finding the Fourth Proportional to 943,158.08, 1,413,883.80 and 343,978.88

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Solution

The fourth proportional to 943,158.08, 1,413,883.80 and 343,978.88 is: 515,657.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,158.08 : 1,413,883.80 = 343,978.88 : x
  2. Step 2: Convert to fraction form
    943,158.08/1,413,883.80 = 343,978.88/x
  3. Step 3: Cross multiply
    943,158.08x = 1,413,883.80 × 343,978.88
  4. Step 4: Simplify right side
    943,158.08x = 486,346,165,974.14
  5. Step 5: Solve for x
    x = 486,346,165,974.14/943,158.08
  6. Step 6: Final answer
    x = 515,657.11

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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.