Home / 626,537.85-864,623.03-340,057.95

Finding the Fourth Proportional to 626,537.85, 864,623.03 and 340,057.95

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Solution

The fourth proportional to 626,537.85, 864,623.03 and 340,057.95 is: 469,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,537.85 : 864,623.03 = 340,057.95 : x
  2. Step 2: Convert to fraction form
    626,537.85/864,623.03 = 340,057.95/x
  3. Step 3: Cross multiply
    626,537.85x = 864,623.03 × 340,057.95
  4. Step 4: Simplify right side
    626,537.85x = 294,021,933,404.30
  5. Step 5: Solve for x
    x = 294,021,933,404.30/626,537.85
  6. Step 6: Final answer
    x = 469,280.40

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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.