Home / 976,860.20-1,465,217.40-408,094.40

Finding the Fourth Proportional to 976,860.20, 1,465,217.40 and 408,094.40

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Solution

The fourth proportional to 976,860.20, 1,465,217.40 and 408,094.40 is: 612,111.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,860.20 : 1,465,217.40 = 408,094.40 : x
  2. Step 2: Convert to fraction form
    976,860.20/1,465,217.40 = 408,094.40/x
  3. Step 3: Cross multiply
    976,860.20x = 1,465,217.40 × 408,094.40
  4. Step 4: Simplify right side
    976,860.20x = 597,947,015,722.56
  5. Step 5: Solve for x
    x = 597,947,015,722.56/976,860.20
  6. Step 6: Final answer
    x = 612,111.15

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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.