Home / 757,502.28-1,136,428.38-225,011.52

Finding the Fourth Proportional to 757,502.28, 1,136,428.38 and 225,011.52

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Solution

The fourth proportional to 757,502.28, 1,136,428.38 and 225,011.52 is: 337,569.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,502.28 : 1,136,428.38 = 225,011.52 : x
  2. Step 2: Convert to fraction form
    757,502.28/1,136,428.38 = 225,011.52/x
  3. Step 3: Cross multiply
    757,502.28x = 1,136,428.38 × 225,011.52
  4. Step 4: Simplify right side
    757,502.28x = 255,709,477,154.94
  5. Step 5: Solve for x
    x = 255,709,477,154.94/757,502.28
  6. Step 6: Final answer
    x = 337,569.25

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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.