Home / 756,818.72-1,044,416.88-417,299.04

Finding the Fourth Proportional to 756,818.72, 1,044,416.88 and 417,299.04

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Solution

The fourth proportional to 756,818.72, 1,044,416.88 and 417,299.04 is: 575,876.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,818.72 : 1,044,416.88 = 417,299.04 : x
  2. Step 2: Convert to fraction form
    756,818.72/1,044,416.88 = 417,299.04/x
  3. Step 3: Cross multiply
    756,818.72x = 1,044,416.88 × 417,299.04
  4. Step 4: Simplify right side
    756,818.72x = 435,834,161,383.80
  5. Step 5: Solve for x
    x = 435,834,161,383.80/756,818.72
  6. Step 6: Final answer
    x = 575,876.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.