Home / 758,325.78-1,136,613.87-284,709.06

Finding the Fourth Proportional to 758,325.78, 1,136,613.87 and 284,709.06

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Solution

The fourth proportional to 758,325.78, 1,136,613.87 and 284,709.06 is: 426,735.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,325.78 : 1,136,613.87 = 284,709.06 : x
  2. Step 2: Convert to fraction form
    758,325.78/1,136,613.87 = 284,709.06/x
  3. Step 3: Cross multiply
    758,325.78x = 1,136,613.87 × 284,709.06
  4. Step 4: Simplify right side
    758,325.78x = 323,604,266,510.66
  5. Step 5: Solve for x
    x = 323,604,266,510.66/758,325.78
  6. Step 6: Final answer
    x = 426,735.15

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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.