Home / 729,995.04-1,094,618.72-388,632.48

Finding the Fourth Proportional to 729,995.04, 1,094,618.72 and 388,632.48

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Solution

The fourth proportional to 729,995.04, 1,094,618.72 and 388,632.48 is: 582,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,995.04 : 1,094,618.72 = 388,632.48 : x
  2. Step 2: Convert to fraction form
    729,995.04/1,094,618.72 = 388,632.48/x
  3. Step 3: Cross multiply
    729,995.04x = 1,094,618.72 × 388,632.48
  4. Step 4: Simplify right side
    729,995.04x = 425,404,387,808.03
  5. Step 5: Solve for x
    x = 425,404,387,808.03/729,995.04
  6. Step 6: Final answer
    x = 582,749.70

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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.