Home / 976,807.20-1,465,210.80-657,942.60

Finding the Fourth Proportional to 976,807.20, 1,465,210.80 and 657,942.60

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Solution

The fourth proportional to 976,807.20, 1,465,210.80 and 657,942.60 is: 986,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,807.20 : 1,465,210.80 = 657,942.60 : x
  2. Step 2: Convert to fraction form
    976,807.20/1,465,210.80 = 657,942.60/x
  3. Step 3: Cross multiply
    976,807.20x = 1,465,210.80 × 657,942.60
  4. Step 4: Simplify right side
    976,807.20x = 964,024,603,300.08
  5. Step 5: Solve for x
    x = 964,024,603,300.08/976,807.20
  6. Step 6: Final answer
    x = 986,913.90

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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.