Home / 818,329.32-1,227,494.07-249,713.39

Finding the Fourth Proportional to 818,329.32, 1,227,494.07 and 249,713.39

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Solution

The fourth proportional to 818,329.32, 1,227,494.07 and 249,713.39 is: 374,570.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,329.32 : 1,227,494.07 = 249,713.39 : x
  2. Step 2: Convert to fraction form
    818,329.32/1,227,494.07 = 249,713.39/x
  3. Step 3: Cross multiply
    818,329.32x = 1,227,494.07 × 249,713.39
  4. Step 4: Simplify right side
    818,329.32x = 306,521,708,493.33
  5. Step 5: Solve for x
    x = 306,521,708,493.33/818,329.32
  6. Step 6: Final answer
    x = 374,570.12

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Double scale
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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.