Home / 725,136.52-1,087,592.46-370,412.68

Finding the Fourth Proportional to 725,136.52, 1,087,592.46 and 370,412.68

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Solution

The fourth proportional to 725,136.52, 1,087,592.46 and 370,412.68 is: 555,561.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,136.52 : 1,087,592.46 = 370,412.68 : x
  2. Step 2: Convert to fraction form
    725,136.52/1,087,592.46 = 370,412.68/x
  3. Step 3: Cross multiply
    725,136.52x = 1,087,592.46 × 370,412.68
  4. Step 4: Simplify right side
    725,136.52x = 402,858,037,856.39
  5. Step 5: Solve for x
    x = 402,858,037,856.39/725,136.52
  6. Step 6: Final answer
    x = 555,561.64

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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.