Home / 2,785,392.20-4,178,088.30-790,848.20

Finding the Fourth Proportional to 2,785,392.20, 4,178,088.30 and 790,848.20

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Solution

The fourth proportional to 2,785,392.20, 4,178,088.30 and 790,848.20 is: 1,186,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,392.20 : 4,178,088.30 = 790,848.20 : x
  2. Step 2: Convert to fraction form
    2,785,392.20/4,178,088.30 = 790,848.20/x
  3. Step 3: Cross multiply
    2,785,392.20x = 4,178,088.30 × 790,848.20
  4. Step 4: Simplify right side
    2,785,392.20x = 3,304,233,611,496.06
  5. Step 5: Solve for x
    x = 3,304,233,611,496.06/2,785,392.20
  6. Step 6: Final answer
    x = 1,186,272.30

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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.