Home / 689,763.05-1,033,149.17-334,031.10

Finding the Fourth Proportional to 689,763.05, 1,033,149.17 and 334,031.10

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Solution

The fourth proportional to 689,763.05, 1,033,149.17 and 334,031.10 is: 500,322.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,763.05 : 1,033,149.17 = 334,031.10 : x
  2. Step 2: Convert to fraction form
    689,763.05/1,033,149.17 = 334,031.10/x
  3. Step 3: Cross multiply
    689,763.05x = 1,033,149.17 × 334,031.10
  4. Step 4: Simplify right side
    689,763.05x = 345,103,953,719.19
  5. Step 5: Solve for x
    x = 345,103,953,719.19/689,763.05
  6. Step 6: Final answer
    x = 500,322.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.