Home / 982,905.52-1,355,889.36-676,449.85

Finding the Fourth Proportional to 982,905.52, 1,355,889.36 and 676,449.85

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Solution

The fourth proportional to 982,905.52, 1,355,889.36 and 676,449.85 is: 933,142.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,905.52 : 1,355,889.36 = 676,449.85 : x
  2. Step 2: Convert to fraction form
    982,905.52/1,355,889.36 = 676,449.85/x
  3. Step 3: Cross multiply
    982,905.52x = 1,355,889.36 × 676,449.85
  4. Step 4: Simplify right side
    982,905.52x = 917,191,154,188.60
  5. Step 5: Solve for x
    x = 917,191,154,188.60/982,905.52
  6. Step 6: Final answer
    x = 933,142.74

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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.