Home / 977,370.20-1,465,982.40-408,604.40

Finding the Fourth Proportional to 977,370.20, 1,465,982.40 and 408,604.40

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Solution

The fourth proportional to 977,370.20, 1,465,982.40 and 408,604.40 is: 612,876.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,370.20 : 1,465,982.40 = 408,604.40 : x
  2. Step 2: Convert to fraction form
    977,370.20/1,465,982.40 = 408,604.40/x
  3. Step 3: Cross multiply
    977,370.20x = 1,465,982.40 × 408,604.40
  4. Step 4: Simplify right side
    977,370.20x = 599,006,858,962.56
  5. Step 5: Solve for x
    x = 599,006,858,962.56/977,370.20
  6. Step 6: Final answer
    x = 612,876.12

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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.