Home / 626,765.80-864,937.38-340,285.72

Finding the Fourth Proportional to 626,765.80, 864,937.38 and 340,285.72

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Solution

The fourth proportional to 626,765.80, 864,937.38 and 340,285.72 is: 469,594.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,765.80 : 864,937.38 = 340,285.72 : x
  2. Step 2: Convert to fraction form
    626,765.80/864,937.38 = 340,285.72/x
  3. Step 3: Cross multiply
    626,765.80x = 864,937.38 × 340,285.72
  4. Step 4: Simplify right side
    626,765.80x = 294,325,839,108.21
  5. Step 5: Solve for x
    x = 294,325,839,108.21/626,765.80
  6. Step 6: Final answer
    x = 469,594.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.