Home / 905,387.32-1,357,974.87-306,346.69

Finding the Fourth Proportional to 905,387.32, 1,357,974.87 and 306,346.69

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Solution

The fourth proportional to 905,387.32, 1,357,974.87 and 306,346.69 is: 459,484.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,387.32 : 1,357,974.87 = 306,346.69 : x
  2. Step 2: Convert to fraction form
    905,387.32/1,357,974.87 = 306,346.69/x
  3. Step 3: Cross multiply
    905,387.32x = 1,357,974.87 × 306,346.69
  4. Step 4: Simplify right side
    905,387.32x = 416,011,106,527.68
  5. Step 5: Solve for x
    x = 416,011,106,527.68/905,387.32
  6. Step 6: Final answer
    x = 459,484.13

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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.