Home / 559,972.20-839,861.10-204,803.40

Finding the Fourth Proportional to 559,972.20, 839,861.10 and 204,803.40

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Solution

The fourth proportional to 559,972.20, 839,861.10 and 204,803.40 is: 307,169.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,972.20 : 839,861.10 = 204,803.40 : x
  2. Step 2: Convert to fraction form
    559,972.20/839,861.10 = 204,803.40/x
  3. Step 3: Cross multiply
    559,972.20x = 839,861.10 × 204,803.40
  4. Step 4: Simplify right side
    559,972.20x = 172,006,408,807.74
  5. Step 5: Solve for x
    x = 172,006,408,807.74/559,972.20
  6. Step 6: Final answer
    x = 307,169.55

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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.