Home / 847,074.57-1,168,979.63-465,098.01

Finding the Fourth Proportional to 847,074.57, 1,168,979.63 and 465,098.01

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Solution

The fourth proportional to 847,074.57, 1,168,979.63 and 465,098.01 is: 641,844.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,074.57 : 1,168,979.63 = 465,098.01 : x
  2. Step 2: Convert to fraction form
    847,074.57/1,168,979.63 = 465,098.01/x
  3. Step 3: Cross multiply
    847,074.57x = 1,168,979.63 × 465,098.01
  4. Step 4: Simplify right side
    847,074.57x = 543,690,097,318.05
  5. Step 5: Solve for x
    x = 543,690,097,318.05/847,074.57
  6. Step 6: Final answer
    x = 641,844.43

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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.