Home / 839,291.58-1,258,937.46-240,254.91

Finding the Fourth Proportional to 839,291.58, 1,258,937.46 and 240,254.91

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Solution

The fourth proportional to 839,291.58, 1,258,937.46 and 240,254.91 is: 360,382.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,291.58 : 1,258,937.46 = 240,254.91 : x
  2. Step 2: Convert to fraction form
    839,291.58/1,258,937.46 = 240,254.91/x
  3. Step 3: Cross multiply
    839,291.58x = 1,258,937.46 × 240,254.91
  4. Step 4: Simplify right side
    839,291.58x = 302,465,906,147.93
  5. Step 5: Solve for x
    x = 302,465,906,147.93/839,291.58
  6. Step 6: Final answer
    x = 360,382.39

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Double scale
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Similar ratio
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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.