Home / 559,826.20-839,739.30-205,094.80

Finding the Fourth Proportional to 559,826.20, 839,739.30 and 205,094.80

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Solution

The fourth proportional to 559,826.20, 839,739.30 and 205,094.80 is: 307,642.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,826.20 : 839,739.30 = 205,094.80 : x
  2. Step 2: Convert to fraction form
    559,826.20/839,739.30 = 205,094.80/x
  3. Step 3: Cross multiply
    559,826.20x = 839,739.30 × 205,094.80
  4. Step 4: Simplify right side
    559,826.20x = 172,226,163,785.64
  5. Step 5: Solve for x
    x = 172,226,163,785.64/559,826.20
  6. Step 6: Final answer
    x = 307,642.20

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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.