Home / 758,316.78-1,136,600.28-284,700.06

Finding the Fourth Proportional to 758,316.78, 1,136,600.28 and 284,700.06

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Solution

The fourth proportional to 758,316.78, 1,136,600.28 and 284,700.06 is: 426,721.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,316.78 : 1,136,600.28 = 284,700.06 : x
  2. Step 2: Convert to fraction form
    758,316.78/1,136,600.28 = 284,700.06/x
  3. Step 3: Cross multiply
    758,316.78x = 1,136,600.28 × 284,700.06
  4. Step 4: Simplify right side
    758,316.78x = 323,590,167,912.02
  5. Step 5: Solve for x
    x = 323,590,167,912.02/758,316.78
  6. Step 6: Final answer
    x = 426,721.62

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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.