Home / 541,422.10-812,931.53-302,003.78

Finding the Fourth Proportional to 541,422.10, 812,931.53 and 302,003.78

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Solution

The fourth proportional to 541,422.10, 812,931.53 and 302,003.78 is: 453,451.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,422.10 : 812,931.53 = 302,003.78 : x
  2. Step 2: Convert to fraction form
    541,422.10/812,931.53 = 302,003.78/x
  3. Step 3: Cross multiply
    541,422.10x = 812,931.53 × 302,003.78
  4. Step 4: Simplify right side
    541,422.10x = 245,508,393,114.57
  5. Step 5: Solve for x
    x = 245,508,393,114.57/541,422.10
  6. Step 6: Final answer
    x = 453,451.00

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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.