Home / 862,581.12-1,190,467.20-523,048.32

Finding the Fourth Proportional to 862,581.12, 1,190,467.20 and 523,048.32

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Solution

The fourth proportional to 862,581.12, 1,190,467.20 and 523,048.32 is: 721,870.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,581.12 : 1,190,467.20 = 523,048.32 : x
  2. Step 2: Convert to fraction form
    862,581.12/1,190,467.20 = 523,048.32/x
  3. Step 3: Cross multiply
    862,581.12x = 1,190,467.20 × 523,048.32
  4. Step 4: Simplify right side
    862,581.12x = 622,671,868,975.10
  5. Step 5: Solve for x
    x = 622,671,868,975.10/862,581.12
  6. Step 6: Final answer
    x = 721,870.51

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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.