Home / 988,189.04-1,482,371.08-278,223.24

Finding the Fourth Proportional to 988,189.04, 1,482,371.08 and 278,223.24

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Solution

The fourth proportional to 988,189.04, 1,482,371.08 and 278,223.24 is: 417,359.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,189.04 : 1,482,371.08 = 278,223.24 : x
  2. Step 2: Convert to fraction form
    988,189.04/1,482,371.08 = 278,223.24/x
  3. Step 3: Cross multiply
    988,189.04x = 1,482,371.08 × 278,223.24
  4. Step 4: Simplify right side
    988,189.04x = 412,430,084,759.90
  5. Step 5: Solve for x
    x = 412,430,084,759.90/988,189.04
  6. Step 6: Final answer
    x = 417,359.50

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Double scale
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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.