Home / 763,173.48-1,053,126.72-423,615

Finding the Fourth Proportional to 763,173.48, 1,053,126.72 and 423,615

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Solution

The fourth proportional to 763,173.48, 1,053,126.72 and 423,615 is: 584,559.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,173.48 : 1,053,126.72 = 423,615 : x
  2. Step 2: Convert to fraction form
    763,173.48/1,053,126.72 = 423,615/x
  3. Step 3: Cross multiply
    763,173.48x = 1,053,126.72 × 423,615
  4. Step 4: Simplify right side
    763,173.48x = 446,120,275,492.80
  5. Step 5: Solve for x
    x = 446,120,275,492.80/763,173.48
  6. Step 6: Final answer
    x = 584,559.46

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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.