Home / 976,812.80-1,465,219.20-657,948.20

Finding the Fourth Proportional to 976,812.80, 1,465,219.20 and 657,948.20

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Solution

The fourth proportional to 976,812.80, 1,465,219.20 and 657,948.20 is: 986,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,812.80 : 1,465,219.20 = 657,948.20 : x
  2. Step 2: Convert to fraction form
    976,812.80/1,465,219.20 = 657,948.20/x
  3. Step 3: Cross multiply
    976,812.80x = 1,465,219.20 × 657,948.20
  4. Step 4: Simplify right side
    976,812.80x = 964,038,335,245.44
  5. Step 5: Solve for x
    x = 964,038,335,245.44/976,812.80
  6. Step 6: Final answer
    x = 986,922.30

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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.