Home / 875,027.20-1,312,540.80-377,363.20

Finding the Fourth Proportional to 875,027.20, 1,312,540.80 and 377,363.20

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Solution

The fourth proportional to 875,027.20, 1,312,540.80 and 377,363.20 is: 566,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,027.20 : 1,312,540.80 = 377,363.20 : x
  2. Step 2: Convert to fraction form
    875,027.20/1,312,540.80 = 377,363.20/x
  3. Step 3: Cross multiply
    875,027.20x = 1,312,540.80 × 377,363.20
  4. Step 4: Simplify right side
    875,027.20x = 495,304,596,418.56
  5. Step 5: Solve for x
    x = 495,304,596,418.56/875,027.20
  6. Step 6: Final answer
    x = 566,044.80

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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.