Home / 626,556.02-864,648.98-340,076.12

Finding the Fourth Proportional to 626,556.02, 864,648.98 and 340,076.12

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Solution

The fourth proportional to 626,556.02, 864,648.98 and 340,076.12 is: 469,305.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,556.02 : 864,648.98 = 340,076.12 : x
  2. Step 2: Convert to fraction form
    626,556.02/864,648.98 = 340,076.12/x
  3. Step 3: Cross multiply
    626,556.02x = 864,648.98 × 340,076.12
  4. Step 4: Simplify right side
    626,556.02x = 294,046,466,807.30
  5. Step 5: Solve for x
    x = 294,046,466,807.30/626,556.02
  6. Step 6: Final answer
    x = 469,305.95

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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.