Home / 554,956.20-832,434.30-330,424.20

Finding the Fourth Proportional to 554,956.20, 832,434.30 and 330,424.20

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Solution

The fourth proportional to 554,956.20, 832,434.30 and 330,424.20 is: 495,636.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,956.20 : 832,434.30 = 330,424.20 : x
  2. Step 2: Convert to fraction form
    554,956.20/832,434.30 = 330,424.20/x
  3. Step 3: Cross multiply
    554,956.20x = 832,434.30 × 330,424.20
  4. Step 4: Simplify right side
    554,956.20x = 275,056,437,630.06
  5. Step 5: Solve for x
    x = 275,056,437,630.06/554,956.20
  6. Step 6: Final answer
    x = 495,636.30

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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.