Home / 916,758.25-1,375,381.94-317,718.91

Finding the Fourth Proportional to 916,758.25, 1,375,381.94 and 317,718.91

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Solution

The fourth proportional to 916,758.25, 1,375,381.94 and 317,718.91 is: 476,663.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,758.25 : 1,375,381.94 = 317,718.91 : x
  2. Step 2: Convert to fraction form
    916,758.25/1,375,381.94 = 317,718.91/x
  3. Step 3: Cross multiply
    916,758.25x = 1,375,381.94 × 317,718.91
  4. Step 4: Simplify right side
    916,758.25x = 436,984,850,810.49
  5. Step 5: Solve for x
    x = 436,984,850,810.49/916,758.25
  6. Step 6: Final answer
    x = 476,663.12

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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.