Home / 976,849.20-1,465,200.90-408,083.40

Finding the Fourth Proportional to 976,849.20, 1,465,200.90 and 408,083.40

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Solution

The fourth proportional to 976,849.20, 1,465,200.90 and 408,083.40 is: 612,094.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,849.20 : 1,465,200.90 = 408,083.40 : x
  2. Step 2: Convert to fraction form
    976,849.20/1,465,200.90 = 408,083.40/x
  3. Step 3: Cross multiply
    976,849.20x = 1,465,200.90 × 408,083.40
  4. Step 4: Simplify right side
    976,849.20x = 597,924,164,955.06
  5. Step 5: Solve for x
    x = 597,924,164,955.06/976,849.20
  6. Step 6: Final answer
    x = 612,094.65

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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.