Home / 504,631.85-756,090.90-304,531.78

Finding the Fourth Proportional to 504,631.85, 756,090.90 and 304,531.78

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Solution

The fourth proportional to 504,631.85, 756,090.90 and 304,531.78 is: 456,280.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,631.85 : 756,090.90 = 304,531.78 : x
  2. Step 2: Convert to fraction form
    504,631.85/756,090.90 = 304,531.78/x
  3. Step 3: Cross multiply
    504,631.85x = 756,090.90 × 304,531.78
  4. Step 4: Simplify right side
    504,631.85x = 230,253,707,618.80
  5. Step 5: Solve for x
    x = 230,253,707,618.80/504,631.85
  6. Step 6: Final answer
    x = 456,280.57

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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.