Home / 839,117.20-1,258,675.80-240,114.10

Finding the Fourth Proportional to 839,117.20, 1,258,675.80 and 240,114.10

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Solution

The fourth proportional to 839,117.20, 1,258,675.80 and 240,114.10 is: 360,171.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,117.20 : 1,258,675.80 = 240,114.10 : x
  2. Step 2: Convert to fraction form
    839,117.20/1,258,675.80 = 240,114.10/x
  3. Step 3: Cross multiply
    839,117.20x = 1,258,675.80 × 240,114.10
  4. Step 4: Simplify right side
    839,117.20x = 302,225,806,908.78
  5. Step 5: Solve for x
    x = 302,225,806,908.78/839,117.20
  6. Step 6: Final answer
    x = 360,171.15

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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.