Home / 479,718.02-661,993.79-264,857.58

Finding the Fourth Proportional to 479,718.02, 661,993.79 and 264,857.58

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Solution

The fourth proportional to 479,718.02, 661,993.79 and 264,857.58 is: 365,494.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,718.02 : 661,993.79 = 264,857.58 : x
  2. Step 2: Convert to fraction form
    479,718.02/661,993.79 = 264,857.58/x
  3. Step 3: Cross multiply
    479,718.02x = 661,993.79 × 264,857.58
  4. Step 4: Simplify right side
    479,718.02x = 175,334,071,870.14
  5. Step 5: Solve for x
    x = 175,334,071,870.14/479,718.02
  6. Step 6: Final answer
    x = 365,494.03

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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.