Home / 779,975.36-1,169,721.12-281,274.56

Finding the Fourth Proportional to 779,975.36, 1,169,721.12 and 281,274.56

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Solution

The fourth proportional to 779,975.36, 1,169,721.12 and 281,274.56 is: 421,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,975.36 : 1,169,721.12 = 281,274.56 : x
  2. Step 2: Convert to fraction form
    779,975.36/1,169,721.12 = 281,274.56/x
  3. Step 3: Cross multiply
    779,975.36x = 1,169,721.12 × 281,274.56
  4. Step 4: Simplify right side
    779,975.36x = 329,012,793,350.71
  5. Step 5: Solve for x
    x = 329,012,793,350.71/779,975.36
  6. Step 6: Final answer
    x = 421,824.60

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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.