Home / 559,826.80-839,740.20-323,047.60

Finding the Fourth Proportional to 559,826.80, 839,740.20 and 323,047.60

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Solution

The fourth proportional to 559,826.80, 839,740.20 and 323,047.60 is: 484,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,826.80 : 839,740.20 = 323,047.60 : x
  2. Step 2: Convert to fraction form
    559,826.80/839,740.20 = 323,047.60/x
  3. Step 3: Cross multiply
    559,826.80x = 839,740.20 × 323,047.60
  4. Step 4: Simplify right side
    559,826.80x = 271,276,056,233.52
  5. Step 5: Solve for x
    x = 271,276,056,233.52/559,826.80
  6. Step 6: Final answer
    x = 484,571.40

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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.