Home / 763,774.40-1,145,515.80-231,312.80

Finding the Fourth Proportional to 763,774.40, 1,145,515.80 and 231,312.80

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Solution

The fourth proportional to 763,774.40, 1,145,515.80 and 231,312.80 is: 346,925.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,774.40 : 1,145,515.80 = 231,312.80 : x
  2. Step 2: Convert to fraction form
    763,774.40/1,145,515.80 = 231,312.80/x
  3. Step 3: Cross multiply
    763,774.40x = 1,145,515.80 × 231,312.80
  4. Step 4: Simplify right side
    763,774.40x = 264,972,467,142.24
  5. Step 5: Solve for x
    x = 264,972,467,142.24/763,774.40
  6. Step 6: Final answer
    x = 346,925.04

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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.