Home / 799,001.12-1,198,353.72-319,188.08

Finding the Fourth Proportional to 799,001.12, 1,198,353.72 and 319,188.08

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Solution

The fourth proportional to 799,001.12, 1,198,353.72 and 319,188.08 is: 478,723.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,001.12 : 1,198,353.72 = 319,188.08 : x
  2. Step 2: Convert to fraction form
    799,001.12/1,198,353.72 = 319,188.08/x
  3. Step 3: Cross multiply
    799,001.12x = 1,198,353.72 × 319,188.08
  4. Step 4: Simplify right side
    799,001.12x = 382,500,223,047.66
  5. Step 5: Solve for x
    x = 382,500,223,047.66/799,001.12
  6. Step 6: Final answer
    x = 478,723.01

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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.