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Finding the Fourth Proportional to 560,015.20, 839,925.60 and 204,846.40

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Solution

The fourth proportional to 560,015.20, 839,925.60 and 204,846.40 is: 307,234.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,015.20 : 839,925.60 = 204,846.40 : x
  2. Step 2: Convert to fraction form
    560,015.20/839,925.60 = 204,846.40/x
  3. Step 3: Cross multiply
    560,015.20x = 839,925.60 × 204,846.40
  4. Step 4: Simplify right side
    560,015.20x = 172,055,735,427.84
  5. Step 5: Solve for x
    x = 172,055,735,427.84/560,015.20
  6. Step 6: Final answer
    x = 307,234.05

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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.