Home / 702,136.50-1,053,248.46-281,357.70

Finding the Fourth Proportional to 702,136.50, 1,053,248.46 and 281,357.70

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Solution

The fourth proportional to 702,136.50, 1,053,248.46 and 281,357.70 is: 422,054.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,136.50 : 1,053,248.46 = 281,357.70 : x
  2. Step 2: Convert to fraction form
    702,136.50/1,053,248.46 = 281,357.70/x
  3. Step 3: Cross multiply
    702,136.50x = 1,053,248.46 × 281,357.70
  4. Step 4: Simplify right side
    702,136.50x = 296,339,564,234.14
  5. Step 5: Solve for x
    x = 296,339,564,234.14/702,136.50
  6. Step 6: Final answer
    x = 422,054.07

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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.