Home / 739,662.28-1,109,623.02-318,954.76

Finding the Fourth Proportional to 739,662.28, 1,109,623.02 and 318,954.76

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Solution

The fourth proportional to 739,662.28, 1,109,623.02 and 318,954.76 is: 478,488.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,662.28 : 1,109,623.02 = 318,954.76 : x
  2. Step 2: Convert to fraction form
    739,662.28/1,109,623.02 = 318,954.76/x
  3. Step 3: Cross multiply
    739,662.28x = 1,109,623.02 × 318,954.76
  4. Step 4: Simplify right side
    739,662.28x = 353,919,544,034.58
  5. Step 5: Solve for x
    x = 353,919,544,034.58/739,662.28
  6. Step 6: Final answer
    x = 478,488.03

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1.5x scale

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.