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Finding the Fourth Proportional to 976,820.80, 1,464,793.80 and 377,582.80

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Solution

The fourth proportional to 976,820.80, 1,464,793.80 and 377,582.80 is: 566,205.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,820.80 : 1,464,793.80 = 377,582.80 : x
  2. Step 2: Convert to fraction form
    976,820.80/1,464,793.80 = 377,582.80/x
  3. Step 3: Cross multiply
    976,820.80x = 1,464,793.80 × 377,582.80
  4. Step 4: Simplify right side
    976,820.80x = 553,080,944,426.64
  5. Step 5: Solve for x
    x = 553,080,944,426.64/976,820.80
  6. Step 6: Final answer
    x = 566,205.13

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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.