Home / 972,378.72-1,458,568.08-262,406.76

Finding the Fourth Proportional to 972,378.72, 1,458,568.08 and 262,406.76

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Solution

The fourth proportional to 972,378.72, 1,458,568.08 and 262,406.76 is: 393,610.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,378.72 : 1,458,568.08 = 262,406.76 : x
  2. Step 2: Convert to fraction form
    972,378.72/1,458,568.08 = 262,406.76/x
  3. Step 3: Cross multiply
    972,378.72x = 1,458,568.08 × 262,406.76
  4. Step 4: Simplify right side
    972,378.72x = 382,738,124,112.22
  5. Step 5: Solve for x
    x = 382,738,124,112.22/972,378.72
  6. Step 6: Final answer
    x = 393,610.14

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Similar ratio
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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.