Home / 758,317.78-1,136,601.78-284,701.06

Finding the Fourth Proportional to 758,317.78, 1,136,601.78 and 284,701.06

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Solution

The fourth proportional to 758,317.78, 1,136,601.78 and 284,701.06 is: 426,723.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,317.78 : 1,136,601.78 = 284,701.06 : x
  2. Step 2: Convert to fraction form
    758,317.78/1,136,601.78 = 284,701.06/x
  3. Step 3: Cross multiply
    758,317.78x = 1,136,601.78 × 284,701.06
  4. Step 4: Simplify right side
    758,317.78x = 323,591,731,563.89
  5. Step 5: Solve for x
    x = 323,591,731,563.89/758,317.78
  6. Step 6: Final answer
    x = 426,723.12

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Similar ratio
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1.5x scale

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.