Home / 684,216.02-1,026,491.38-482,206.28

Finding the Fourth Proportional to 684,216.02, 1,026,491.38 and 482,206.28

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Solution

The fourth proportional to 684,216.02, 1,026,491.38 and 482,206.28 is: 723,427.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,216.02 : 1,026,491.38 = 482,206.28 : x
  2. Step 2: Convert to fraction form
    684,216.02/1,026,491.38 = 482,206.28/x
  3. Step 3: Cross multiply
    684,216.02x = 1,026,491.38 × 482,206.28
  4. Step 4: Simplify right side
    684,216.02x = 494,980,589,801.87
  5. Step 5: Solve for x
    x = 494,980,589,801.87/684,216.02
  6. Step 6: Final answer
    x = 723,427.36

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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.