Home / 957.03-1,320.66-584.63

Finding the Fourth Proportional to 957.03, 1,320.66 and 584.63

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Solution

The fourth proportional to 957.03, 1,320.66 and 584.63 is: 806.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.03 : 1,320.66 = 584.63 : x
  2. Step 2: Convert to fraction form
    957.03/1,320.66 = 584.63/x
  3. Step 3: Cross multiply
    957.03x = 1,320.66 × 584.63
  4. Step 4: Simplify right side
    957.03x = 772,095.80
  5. Step 5: Solve for x
    x = 772,095.80/957.03
  6. Step 6: Final answer
    x = 806.77

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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.