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Finding the Fourth Proportional to 559,995.20, 839,992.80 and 336,046.40

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Solution

The fourth proportional to 559,995.20, 839,992.80 and 336,046.40 is: 504,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,995.20 : 839,992.80 = 336,046.40 : x
  2. Step 2: Convert to fraction form
    559,995.20/839,992.80 = 336,046.40/x
  3. Step 3: Cross multiply
    559,995.20x = 839,992.80 × 336,046.40
  4. Step 4: Simplify right side
    559,995.20x = 282,276,556,465.92
  5. Step 5: Solve for x
    x = 282,276,556,465.92/559,995.20
  6. Step 6: Final answer
    x = 504,069.60

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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.