Home / 976,654.20-1,464,981.30-266,656.80

Finding the Fourth Proportional to 976,654.20, 1,464,981.30 and 266,656.80

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Solution

The fourth proportional to 976,654.20, 1,464,981.30 and 266,656.80 is: 399,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,654.20 : 1,464,981.30 = 266,656.80 : x
  2. Step 2: Convert to fraction form
    976,654.20/1,464,981.30 = 266,656.80/x
  3. Step 3: Cross multiply
    976,654.20x = 1,464,981.30 × 266,656.80
  4. Step 4: Simplify right side
    976,654.20x = 390,647,225,517.84
  5. Step 5: Solve for x
    x = 390,647,225,517.84/976,654.20
  6. Step 6: Final answer
    x = 399,985.20

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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.