Home / 763,546.80-1,145,028.60-230,890.80

Finding the Fourth Proportional to 763,546.80, 1,145,028.60 and 230,890.80

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Solution

The fourth proportional to 763,546.80, 1,145,028.60 and 230,890.80 is: 346,248.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,546.80 : 1,145,028.60 = 230,890.80 : x
  2. Step 2: Convert to fraction form
    763,546.80/1,145,028.60 = 230,890.80/x
  3. Step 3: Cross multiply
    763,546.80x = 1,145,028.60 × 230,890.80
  4. Step 4: Simplify right side
    763,546.80x = 264,376,569,476.88
  5. Step 5: Solve for x
    x = 264,376,569,476.88/763,546.80
  6. Step 6: Final answer
    x = 346,248.02

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1.5x scale

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.