Home / 1,343.02-2,014.73-477.13

Finding the Fourth Proportional to 1,343.02, 2,014.73 and 477.13

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Solution

The fourth proportional to 1,343.02, 2,014.73 and 477.13 is: 715.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343.02 : 2,014.73 = 477.13 : x
  2. Step 2: Convert to fraction form
    1,343.02/2,014.73 = 477.13/x
  3. Step 3: Cross multiply
    1,343.02x = 2,014.73 × 477.13
  4. Step 4: Simplify right side
    1,343.02x = 961,288.12
  5. Step 5: Solve for x
    x = 961,288.12/1,343.02
  6. Step 6: Final answer
    x = 715.77

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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.