Home / 437,962.80-655,907.40-270,001.20

Finding the Fourth Proportional to 437,962.80, 655,907.40 and 270,001.20

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Solution

The fourth proportional to 437,962.80, 655,907.40 and 270,001.20 is: 404,362.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,962.80 : 655,907.40 = 270,001.20 : x
  2. Step 2: Convert to fraction form
    437,962.80/655,907.40 = 270,001.20/x
  3. Step 3: Cross multiply
    437,962.80x = 655,907.40 × 270,001.20
  4. Step 4: Simplify right side
    437,962.80x = 177,095,785,088.88
  5. Step 5: Solve for x
    x = 177,095,785,088.88/437,962.80
  6. Step 6: Final answer
    x = 404,362.62

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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.