Home / 818,341.13-1,227,511.80-249,725.25

Finding the Fourth Proportional to 818,341.13, 1,227,511.80 and 249,725.25

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Solution

The fourth proportional to 818,341.13, 1,227,511.80 and 249,725.25 is: 374,587.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,341.13 : 1,227,511.80 = 249,725.25 : x
  2. Step 2: Convert to fraction form
    818,341.13/1,227,511.80 = 249,725.25/x
  3. Step 3: Cross multiply
    818,341.13x = 1,227,511.80 × 249,725.25
  4. Step 4: Simplify right side
    818,341.13x = 306,540,691,132.95
  5. Step 5: Solve for x
    x = 306,540,691,132.95/818,341.13
  6. Step 6: Final answer
    x = 374,587.91

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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.