Home / 982,901.52-1,355,883.84-676,445.85

Finding the Fourth Proportional to 982,901.52, 1,355,883.84 and 676,445.85

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Solution

The fourth proportional to 982,901.52, 1,355,883.84 and 676,445.85 is: 933,137.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,901.52 : 1,355,883.84 = 676,445.85 : x
  2. Step 2: Convert to fraction form
    982,901.52/1,355,883.84 = 676,445.85/x
  3. Step 3: Cross multiply
    982,901.52x = 1,355,883.84 × 676,445.85
  4. Step 4: Simplify right side
    982,901.52x = 917,181,996,650.06
  5. Step 5: Solve for x
    x = 917,181,996,650.06/982,901.52
  6. Step 6: Final answer
    x = 933,137.22

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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.