Home / 779,665.28-1,169,964.40-336,433.28

Finding the Fourth Proportional to 779,665.28, 1,169,964.40 and 336,433.28

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Solution

The fourth proportional to 779,665.28, 1,169,964.40 and 336,433.28 is: 504,851.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,665.28 : 1,169,964.40 = 336,433.28 : x
  2. Step 2: Convert to fraction form
    779,665.28/1,169,964.40 = 336,433.28/x
  3. Step 3: Cross multiply
    779,665.28x = 1,169,964.40 × 336,433.28
  4. Step 4: Simplify right side
    779,665.28x = 393,614,960,575.23
  5. Step 5: Solve for x
    x = 393,614,960,575.23/779,665.28
  6. Step 6: Final answer
    x = 504,851.21

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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.