Home / 837,961.20-1,156,386.72-455,979.76

Finding the Fourth Proportional to 837,961.20, 1,156,386.72 and 455,979.76

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Solution

The fourth proportional to 837,961.20, 1,156,386.72 and 455,979.76 is: 629,252.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,961.20 : 1,156,386.72 = 455,979.76 : x
  2. Step 2: Convert to fraction form
    837,961.20/1,156,386.72 = 455,979.76/x
  3. Step 3: Cross multiply
    837,961.20x = 1,156,386.72 × 455,979.76
  4. Step 4: Simplify right side
    837,961.20x = 527,288,939,052.79
  5. Step 5: Solve for x
    x = 527,288,939,052.79/837,961.20
  6. Step 6: Final answer
    x = 629,252.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.