Home / 1,023.66-1,412.46-581.70

Finding the Fourth Proportional to 1,023.66, 1,412.46 and 581.70

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Solution

The fourth proportional to 1,023.66, 1,412.46 and 581.70 is: 802.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023.66 : 1,412.46 = 581.70 : x
  2. Step 2: Convert to fraction form
    1,023.66/1,412.46 = 581.70/x
  3. Step 3: Cross multiply
    1,023.66x = 1,412.46 × 581.70
  4. Step 4: Simplify right side
    1,023.66x = 821,627.98
  5. Step 5: Solve for x
    x = 821,627.98/1,023.66
  6. Step 6: Final answer
    x = 802.64

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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.