Home / 941,419.95-1,299,154.65-511,702.39

Finding the Fourth Proportional to 941,419.95, 1,299,154.65 and 511,702.39

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Solution

The fourth proportional to 941,419.95, 1,299,154.65 and 511,702.39 is: 706,146.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,419.95 : 1,299,154.65 = 511,702.39 : x
  2. Step 2: Convert to fraction form
    941,419.95/1,299,154.65 = 511,702.39/x
  3. Step 3: Cross multiply
    941,419.95x = 1,299,154.65 × 511,702.39
  4. Step 4: Simplify right side
    941,419.95x = 664,780,539,384.61
  5. Step 5: Solve for x
    x = 664,780,539,384.61/941,419.95
  6. Step 6: Final answer
    x = 706,146.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.