Home / 892,505.93-1,338,928.58-293,639.72

Finding the Fourth Proportional to 892,505.93, 1,338,928.58 and 293,639.72

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Solution

The fourth proportional to 892,505.93, 1,338,928.58 and 293,639.72 is: 440,515.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,505.93 : 1,338,928.58 = 293,639.72 : x
  2. Step 2: Convert to fraction form
    892,505.93/1,338,928.58 = 293,639.72/x
  3. Step 3: Cross multiply
    892,505.93x = 1,338,928.58 × 293,639.72
  4. Step 4: Simplify right side
    892,505.93x = 393,162,607,370.65
  5. Step 5: Solve for x
    x = 393,162,607,370.65/892,505.93
  6. Step 6: Final answer
    x = 440,515.40

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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.