Home / 977,999.40-1,466,999.10-659,134.80

Finding the Fourth Proportional to 977,999.40, 1,466,999.10 and 659,134.80

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Solution

The fourth proportional to 977,999.40, 1,466,999.10 and 659,134.80 is: 988,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,999.40 : 1,466,999.10 = 659,134.80 : x
  2. Step 2: Convert to fraction form
    977,999.40/1,466,999.10 = 659,134.80/x
  3. Step 3: Cross multiply
    977,999.40x = 1,466,999.10 × 659,134.80
  4. Step 4: Simplify right side
    977,999.40x = 966,950,158,378.68
  5. Step 5: Solve for x
    x = 966,950,158,378.68/977,999.40
  6. Step 6: Final answer
    x = 988,702.20

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1.5x scale

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.