Home / 976,798.20-1,465,197.30-577,889.40

Finding the Fourth Proportional to 976,798.20, 1,465,197.30 and 577,889.40

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Solution

The fourth proportional to 976,798.20, 1,465,197.30 and 577,889.40 is: 866,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,798.20 : 1,465,197.30 = 577,889.40 : x
  2. Step 2: Convert to fraction form
    976,798.20/1,465,197.30 = 577,889.40/x
  3. Step 3: Cross multiply
    976,798.20x = 1,465,197.30 × 577,889.40
  4. Step 4: Simplify right side
    976,798.20x = 846,721,988,578.62
  5. Step 5: Solve for x
    x = 846,721,988,578.62/976,798.20
  6. Step 6: Final answer
    x = 866,834.10

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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.