Home / 763,803.64-1,053,931.80-441,451.18

Finding the Fourth Proportional to 763,803.64, 1,053,931.80 and 441,451.18

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Solution

The fourth proportional to 763,803.64, 1,053,931.80 and 441,451.18 is: 609,134.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,803.64 : 1,053,931.80 = 441,451.18 : x
  2. Step 2: Convert to fraction form
    763,803.64/1,053,931.80 = 441,451.18/x
  3. Step 3: Cross multiply
    763,803.64x = 1,053,931.80 × 441,451.18
  4. Step 4: Simplify right side
    763,803.64x = 465,259,436,749.52
  5. Step 5: Solve for x
    x = 465,259,436,749.52/763,803.64
  6. Step 6: Final answer
    x = 609,134.88

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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.