Home / 977,708.40-1,466,562.60-658,843.80

Finding the Fourth Proportional to 977,708.40, 1,466,562.60 and 658,843.80

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Solution

The fourth proportional to 977,708.40, 1,466,562.60 and 658,843.80 is: 988,265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,708.40 : 1,466,562.60 = 658,843.80 : x
  2. Step 2: Convert to fraction form
    977,708.40/1,466,562.60 = 658,843.80/x
  3. Step 3: Cross multiply
    977,708.40x = 1,466,562.60 × 658,843.80
  4. Step 4: Simplify right side
    977,708.40x = 966,235,676,321.88
  5. Step 5: Solve for x
    x = 966,235,676,321.88/977,708.40
  6. Step 6: Final answer
    x = 988,265.70

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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.