Home / 738,859.20-1,108,029.60-383,755.20

Finding the Fourth Proportional to 738,859.20, 1,108,029.60 and 383,755.20

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Solution

The fourth proportional to 738,859.20, 1,108,029.60 and 383,755.20 is: 575,498.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,859.20 : 1,108,029.60 = 383,755.20 : x
  2. Step 2: Convert to fraction form
    738,859.20/1,108,029.60 = 383,755.20/x
  3. Step 3: Cross multiply
    738,859.20x = 1,108,029.60 × 383,755.20
  4. Step 4: Simplify right side
    738,859.20x = 425,212,120,753.92
  5. Step 5: Solve for x
    x = 425,212,120,753.92/738,859.20
  6. Step 6: Final answer
    x = 575,498.17

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1.5x scale

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.