Home / 553,524.30-830,286.45-382,282.20

Finding the Fourth Proportional to 553,524.30, 830,286.45 and 382,282.20

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Solution

The fourth proportional to 553,524.30, 830,286.45 and 382,282.20 is: 573,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,524.30 : 830,286.45 = 382,282.20 : x
  2. Step 2: Convert to fraction form
    553,524.30/830,286.45 = 382,282.20/x
  3. Step 3: Cross multiply
    553,524.30x = 830,286.45 × 382,282.20
  4. Step 4: Simplify right side
    553,524.30x = 317,403,730,736.19
  5. Step 5: Solve for x
    x = 317,403,730,736.19/553,524.30
  6. Step 6: Final answer
    x = 573,423.30

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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.