Home / 839,363.54-1,258,675.54-240,188.42

Finding the Fourth Proportional to 839,363.54, 1,258,675.54 and 240,188.42

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Solution

The fourth proportional to 839,363.54, 1,258,675.54 and 240,188.42 is: 360,176.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,363.54 : 1,258,675.54 = 240,188.42 : x
  2. Step 2: Convert to fraction form
    839,363.54/1,258,675.54 = 240,188.42/x
  3. Step 3: Cross multiply
    839,363.54x = 1,258,675.54 × 240,188.42
  4. Step 4: Simplify right side
    839,363.54x = 302,319,291,791.47
  5. Step 5: Solve for x
    x = 302,319,291,791.47/839,363.54
  6. Step 6: Final answer
    x = 360,176.82

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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.