Home / 900,136.87-1,350,339.59-331,474.28

Finding the Fourth Proportional to 900,136.87, 1,350,339.59 and 331,474.28

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Solution

The fourth proportional to 900,136.87, 1,350,339.59 and 331,474.28 is: 497,260.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,136.87 : 1,350,339.59 = 331,474.28 : x
  2. Step 2: Convert to fraction form
    900,136.87/1,350,339.59 = 331,474.28/x
  3. Step 3: Cross multiply
    900,136.87x = 1,350,339.59 × 331,474.28
  4. Step 4: Simplify right side
    900,136.87x = 447,602,837,427.73
  5. Step 5: Solve for x
    x = 447,602,837,427.73/900,136.87
  6. Step 6: Final answer
    x = 497,260.87

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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.