Home / 918,575.04-1,374,914.56-491,042.05

Finding the Fourth Proportional to 918,575.04, 1,374,914.56 and 491,042.05

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Solution

The fourth proportional to 918,575.04, 1,374,914.56 and 491,042.05 is: 734,987.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,575.04 : 1,374,914.56 = 491,042.05 : x
  2. Step 2: Convert to fraction form
    918,575.04/1,374,914.56 = 491,042.05/x
  3. Step 3: Cross multiply
    918,575.04x = 1,374,914.56 × 491,042.05
  4. Step 4: Simplify right side
    918,575.04x = 675,140,862,889.64
  5. Step 5: Solve for x
    x = 675,140,862,889.64/918,575.04
  6. Step 6: Final answer
    x = 734,987.17

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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.