Home / 763,434.43-1,145,150.91-194,815.53

Finding the Fourth Proportional to 763,434.43, 1,145,150.91 and 194,815.53

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Solution

The fourth proportional to 763,434.43, 1,145,150.91 and 194,815.53 is: 292,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,434.43 : 1,145,150.91 = 194,815.53 : x
  2. Step 2: Convert to fraction form
    763,434.43/1,145,150.91 = 194,815.53/x
  3. Step 3: Cross multiply
    763,434.43x = 1,145,150.91 × 194,815.53
  4. Step 4: Simplify right side
    763,434.43x = 223,093,175,774.84
  5. Step 5: Solve for x
    x = 223,093,175,774.84/763,434.43
  6. Step 6: Final answer
    x = 292,223.10

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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.