Home / 761,621.06-1,051,037.07-422,111.18

Finding the Fourth Proportional to 761,621.06, 1,051,037.07 and 422,111.18

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Solution

The fourth proportional to 761,621.06, 1,051,037.07 and 422,111.18 is: 582,513.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,621.06 : 1,051,037.07 = 422,111.18 : x
  2. Step 2: Convert to fraction form
    761,621.06/1,051,037.07 = 422,111.18/x
  3. Step 3: Cross multiply
    761,621.06x = 1,051,037.07 × 422,111.18
  4. Step 4: Simplify right side
    761,621.06x = 443,654,498,886.12
  5. Step 5: Solve for x
    x = 443,654,498,886.12/761,621.06
  6. Step 6: Final answer
    x = 582,513.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.