Home / 915,266.56-1,372,885.10-284,180.98

Finding the Fourth Proportional to 915,266.56, 1,372,885.10 and 284,180.98

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Solution

The fourth proportional to 915,266.56, 1,372,885.10 and 284,180.98 is: 426,266.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,266.56 : 1,372,885.10 = 284,180.98 : x
  2. Step 2: Convert to fraction form
    915,266.56/1,372,885.10 = 284,180.98/x
  3. Step 3: Cross multiply
    915,266.56x = 1,372,885.10 × 284,180.98
  4. Step 4: Simplify right side
    915,266.56x = 390,147,833,145.40
  5. Step 5: Solve for x
    x = 390,147,833,145.40/915,266.56
  6. Step 6: Final answer
    x = 426,266.89

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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.