Home / 829,207.59-1,243,818.34-230,215.46

Finding the Fourth Proportional to 829,207.59, 1,243,818.34 and 230,215.46

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Solution

The fourth proportional to 829,207.59, 1,243,818.34 and 230,215.46 is: 345,325.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,207.59 : 1,243,818.34 = 230,215.46 : x
  2. Step 2: Convert to fraction form
    829,207.59/1,243,818.34 = 230,215.46/x
  3. Step 3: Cross multiply
    829,207.59x = 1,243,818.34 × 230,215.46
  4. Step 4: Simplify right side
    829,207.59x = 286,346,205,799.87
  5. Step 5: Solve for x
    x = 286,346,205,799.87/829,207.59
  6. Step 6: Final answer
    x = 345,325.12

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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.