Home / 763,323.28-1,053,345-423,769.66

Finding the Fourth Proportional to 763,323.28, 1,053,345 and 423,769.66

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Solution

The fourth proportional to 763,323.28, 1,053,345 and 423,769.66 is: 584,779.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,323.28 : 1,053,345 = 423,769.66 : x
  2. Step 2: Convert to fraction form
    763,323.28/1,053,345 = 423,769.66/x
  3. Step 3: Cross multiply
    763,323.28x = 1,053,345 × 423,769.66
  4. Step 4: Simplify right side
    763,323.28x = 446,375,652,512.70
  5. Step 5: Solve for x
    x = 446,375,652,512.70/763,323.28
  6. Step 6: Final answer
    x = 584,779.30

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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.