Home / 976,628.80-1,465,807.20-576,769.60

Finding the Fourth Proportional to 976,628.80, 1,465,807.20 and 576,769.60

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Solution

The fourth proportional to 976,628.80, 1,465,807.20 and 576,769.60 is: 865,664.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,628.80 : 1,465,807.20 = 576,769.60 : x
  2. Step 2: Convert to fraction form
    976,628.80/1,465,807.20 = 576,769.60/x
  3. Step 3: Cross multiply
    976,628.80x = 1,465,807.20 × 576,769.60
  4. Step 4: Simplify right side
    976,628.80x = 845,433,032,421.12
  5. Step 5: Solve for x
    x = 845,433,032,421.12/976,628.80
  6. Step 6: Final answer
    x = 865,664.65

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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.