Home / 756,348.50-1,134,522.78-283,256.66

Finding the Fourth Proportional to 756,348.50, 1,134,522.78 and 283,256.66

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Solution

The fourth proportional to 756,348.50, 1,134,522.78 and 283,256.66 is: 424,885.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,348.50 : 1,134,522.78 = 283,256.66 : x
  2. Step 2: Convert to fraction form
    756,348.50/1,134,522.78 = 283,256.66/x
  3. Step 3: Cross multiply
    756,348.50x = 1,134,522.78 × 283,256.66
  4. Step 4: Simplify right side
    756,348.50x = 321,361,133,356.72
  5. Step 5: Solve for x
    x = 321,361,133,356.72/756,348.50
  6. Step 6: Final answer
    x = 424,885.00

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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.