Home / 756,521.32-1,044,006.44-417,001.72

Finding the Fourth Proportional to 756,521.32, 1,044,006.44 and 417,001.72

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Solution

The fourth proportional to 756,521.32, 1,044,006.44 and 417,001.72 is: 575,466.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,521.32 : 1,044,006.44 = 417,001.72 : x
  2. Step 2: Convert to fraction form
    756,521.32/1,044,006.44 = 417,001.72/x
  3. Step 3: Cross multiply
    756,521.32x = 1,044,006.44 × 417,001.72
  4. Step 4: Simplify right side
    756,521.32x = 435,352,481,171.08
  5. Step 5: Solve for x
    x = 435,352,481,171.08/756,521.32
  6. Step 6: Final answer
    x = 575,466.24

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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.