Home / 839,428.16-1,259,387.88-270,798.32

Finding the Fourth Proportional to 839,428.16, 1,259,387.88 and 270,798.32

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Solution

The fourth proportional to 839,428.16, 1,259,387.88 and 270,798.32 is: 406,276.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,428.16 : 1,259,387.88 = 270,798.32 : x
  2. Step 2: Convert to fraction form
    839,428.16/1,259,387.88 = 270,798.32/x
  3. Step 3: Cross multiply
    839,428.16x = 1,259,387.88 × 270,798.32
  4. Step 4: Simplify right side
    839,428.16x = 341,040,122,132.36
  5. Step 5: Solve for x
    x = 341,040,122,132.36/839,428.16
  6. Step 6: Final answer
    x = 406,276.72

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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.