Home / 1,068.20-1,473.35-695.51

Finding the Fourth Proportional to 1,068.20, 1,473.35 and 695.51

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Solution

The fourth proportional to 1,068.20, 1,473.35 and 695.51 is: 959.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068.20 : 1,473.35 = 695.51 : x
  2. Step 2: Convert to fraction form
    1,068.20/1,473.35 = 695.51/x
  3. Step 3: Cross multiply
    1,068.20x = 1,473.35 × 695.51
  4. Step 4: Simplify right side
    1,068.20x = 1,024,718.81
  5. Step 5: Solve for x
    x = 1,024,718.81/1,068.20
  6. Step 6: Final answer
    x = 959.30

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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.