Home / 699,869.20-1,049,803.80-559,901.20

Finding the Fourth Proportional to 699,869.20, 1,049,803.80 and 559,901.20

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Solution

The fourth proportional to 699,869.20, 1,049,803.80 and 559,901.20 is: 839,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,869.20 : 1,049,803.80 = 559,901.20 : x
  2. Step 2: Convert to fraction form
    699,869.20/1,049,803.80 = 559,901.20/x
  3. Step 3: Cross multiply
    699,869.20x = 1,049,803.80 × 559,901.20
  4. Step 4: Simplify right side
    699,869.20x = 587,786,407,384.56
  5. Step 5: Solve for x
    x = 587,786,407,384.56/699,869.20
  6. Step 6: Final answer
    x = 839,851.80

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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.