Home / 485,584.04-670,106.39-270,719.79

Finding the Fourth Proportional to 485,584.04, 670,106.39 and 270,719.79

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Solution

The fourth proportional to 485,584.04, 670,106.39 and 270,719.79 is: 373,593.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,584.04 : 670,106.39 = 270,719.79 : x
  2. Step 2: Convert to fraction form
    485,584.04/670,106.39 = 270,719.79/x
  3. Step 3: Cross multiply
    485,584.04x = 670,106.39 × 270,719.79
  4. Step 4: Simplify right side
    485,584.04x = 181,411,062,853.72
  5. Step 5: Solve for x
    x = 181,411,062,853.72/485,584.04
  6. Step 6: Final answer
    x = 373,593.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.