Home / 803,684.04-1,109,003.13-481,385.85

Finding the Fourth Proportional to 803,684.04, 1,109,003.13 and 481,385.85

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Solution

The fourth proportional to 803,684.04, 1,109,003.13 and 481,385.85 is: 664,264.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,684.04 : 1,109,003.13 = 481,385.85 : x
  2. Step 2: Convert to fraction form
    803,684.04/1,109,003.13 = 481,385.85/x
  3. Step 3: Cross multiply
    803,684.04x = 1,109,003.13 × 481,385.85
  4. Step 4: Simplify right side
    803,684.04x = 533,858,414,387.71
  5. Step 5: Solve for x
    x = 533,858,414,387.71/803,684.04
  6. Step 6: Final answer
    x = 664,264.05

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1.5x scale

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.