Home / 800,673.16-1,104,928.38-438,099.40

Finding the Fourth Proportional to 800,673.16, 1,104,928.38 and 438,099.40

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Solution

The fourth proportional to 800,673.16, 1,104,928.38 and 438,099.40 is: 604,576.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,673.16 : 1,104,928.38 = 438,099.40 : x
  2. Step 2: Convert to fraction form
    800,673.16/1,104,928.38 = 438,099.40/x
  3. Step 3: Cross multiply
    800,673.16x = 1,104,928.38 × 438,099.40
  4. Step 4: Simplify right side
    800,673.16x = 484,068,460,320.97
  5. Step 5: Solve for x
    x = 484,068,460,320.97/800,673.16
  6. Step 6: Final answer
    x = 604,576.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.