Home / 725,834.62-1,088,681.58-220,400.04

Finding the Fourth Proportional to 725,834.62, 1,088,681.58 and 220,400.04

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Solution

The fourth proportional to 725,834.62, 1,088,681.58 and 220,400.04 is: 330,578.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,834.62 : 1,088,681.58 = 220,400.04 : x
  2. Step 2: Convert to fraction form
    725,834.62/1,088,681.58 = 220,400.04/x
  3. Step 3: Cross multiply
    725,834.62x = 1,088,681.58 × 220,400.04
  4. Step 4: Simplify right side
    725,834.62x = 239,945,463,779.26
  5. Step 5: Solve for x
    x = 239,945,463,779.26/725,834.62
  6. Step 6: Final answer
    x = 330,578.70

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1.5x scale

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.