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Finding the Fourth Proportional to 664,461.80, 996,692.70 and 664,461.80

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Solution

The fourth proportional to 664,461.80, 996,692.70 and 664,461.80 is: 996,692.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,461.80 : 996,692.70 = 664,461.80 : x
  2. Step 2: Convert to fraction form
    664,461.80/996,692.70 = 664,461.80/x
  3. Step 3: Cross multiply
    664,461.80x = 996,692.70 × 664,461.80
  4. Step 4: Simplify right side
    664,461.80x = 662,264,225,488.86
  5. Step 5: Solve for x
    x = 662,264,225,488.86/664,461.80
  6. Step 6: Final answer
    x = 996,692.70

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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.