Home / 810,029.70-1,215,044.55-436,781.70

Finding the Fourth Proportional to 810,029.70, 1,215,044.55 and 436,781.70

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Solution

The fourth proportional to 810,029.70, 1,215,044.55 and 436,781.70 is: 655,172.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,029.70 : 1,215,044.55 = 436,781.70 : x
  2. Step 2: Convert to fraction form
    810,029.70/1,215,044.55 = 436,781.70/x
  3. Step 3: Cross multiply
    810,029.70x = 1,215,044.55 × 436,781.70
  4. Step 4: Simplify right side
    810,029.70x = 530,709,224,124.74
  5. Step 5: Solve for x
    x = 530,709,224,124.74/810,029.70
  6. Step 6: Final answer
    x = 655,172.55

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Similar ratio
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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.