Home / 837,821.64-1,156,159.32-455,849.94

Finding the Fourth Proportional to 837,821.64, 1,156,159.32 and 455,849.94

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Solution

The fourth proportional to 837,821.64, 1,156,159.32 and 455,849.94 is: 629,054.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,821.64 : 1,156,159.32 = 455,849.94 : x
  2. Step 2: Convert to fraction form
    837,821.64/1,156,159.32 = 455,849.94/x
  3. Step 3: Cross multiply
    837,821.64x = 1,156,159.32 × 455,849.94
  4. Step 4: Simplify right side
    837,821.64x = 527,035,156,652.44
  5. Step 5: Solve for x
    x = 527,035,156,652.44/837,821.64
  6. Step 6: Final answer
    x = 629,054.12

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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.