Home / 626,635.02-864,750.38-340,154.72

Finding the Fourth Proportional to 626,635.02, 864,750.38 and 340,154.72

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Solution

The fourth proportional to 626,635.02, 864,750.38 and 340,154.72 is: 469,410.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,635.02 : 864,750.38 = 340,154.72 : x
  2. Step 2: Convert to fraction form
    626,635.02/864,750.38 = 340,154.72/x
  3. Step 3: Cross multiply
    626,635.02x = 864,750.38 × 340,154.72
  4. Step 4: Simplify right side
    626,635.02x = 294,148,923,839.90
  5. Step 5: Solve for x
    x = 294,148,923,839.90/626,635.02
  6. Step 6: Final answer
    x = 469,410.29

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1.5x scale

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.