Home / 763,674.20-1,053,808.68-441,405.16

Finding the Fourth Proportional to 763,674.20, 1,053,808.68 and 441,405.16

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Solution

The fourth proportional to 763,674.20, 1,053,808.68 and 441,405.16 is: 609,103.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,674.20 : 1,053,808.68 = 441,405.16 : x
  2. Step 2: Convert to fraction form
    763,674.20/1,053,808.68 = 441,405.16/x
  3. Step 3: Cross multiply
    763,674.20x = 1,053,808.68 × 441,405.16
  4. Step 4: Simplify right side
    763,674.20x = 465,156,589,004.79
  5. Step 5: Solve for x
    x = 465,156,589,004.79/763,674.20
  6. Step 6: Final answer
    x = 609,103.45

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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.