Home / 716,116.77-1,074,008.79-210,542.49

Finding the Fourth Proportional to 716,116.77, 1,074,008.79 and 210,542.49

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Solution

The fourth proportional to 716,116.77, 1,074,008.79 and 210,542.49 is: 315,764.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,116.77 : 1,074,008.79 = 210,542.49 : x
  2. Step 2: Convert to fraction form
    716,116.77/1,074,008.79 = 210,542.49/x
  3. Step 3: Cross multiply
    716,116.77x = 1,074,008.79 × 210,542.49
  4. Step 4: Simplify right side
    716,116.77x = 226,124,484,928.49
  5. Step 5: Solve for x
    x = 226,124,484,928.49/716,116.77
  6. Step 6: Final answer
    x = 315,764.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.