Home / 912,546.51-1,368,362.92-281,378.31

Finding the Fourth Proportional to 912,546.51, 1,368,362.92 and 281,378.31

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Solution

The fourth proportional to 912,546.51, 1,368,362.92 and 281,378.31 is: 421,926.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,546.51 : 1,368,362.92 = 281,378.31 : x
  2. Step 2: Convert to fraction form
    912,546.51/1,368,362.92 = 281,378.31/x
  3. Step 3: Cross multiply
    912,546.51x = 1,368,362.92 × 281,378.31
  4. Step 4: Simplify right side
    912,546.51x = 385,027,640,589.04
  5. Step 5: Solve for x
    x = 385,027,640,589.04/912,546.51
  6. Step 6: Final answer
    x = 421,926.60

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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.