Home / 756,676.88-1,044,221.04-417,157.28

Finding the Fourth Proportional to 756,676.88, 1,044,221.04 and 417,157.28

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Solution

The fourth proportional to 756,676.88, 1,044,221.04 and 417,157.28 is: 575,680.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,676.88 : 1,044,221.04 = 417,157.28 : x
  2. Step 2: Convert to fraction form
    756,676.88/1,044,221.04 = 417,157.28/x
  3. Step 3: Cross multiply
    756,676.88x = 1,044,221.04 × 417,157.28
  4. Step 4: Simplify right side
    756,676.88x = 435,604,408,765.17
  5. Step 5: Solve for x
    x = 435,604,408,765.17/756,676.88
  6. Step 6: Final answer
    x = 575,680.88

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1.5x scale

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.