Home / 420,965.02-580,943.13-251,297.62

Finding the Fourth Proportional to 420,965.02, 580,943.13 and 251,297.62

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Solution

The fourth proportional to 420,965.02, 580,943.13 and 251,297.62 is: 346,797.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,965.02 : 580,943.13 = 251,297.62 : x
  2. Step 2: Convert to fraction form
    420,965.02/580,943.13 = 251,297.62/x
  3. Step 3: Cross multiply
    420,965.02x = 580,943.13 × 251,297.62
  4. Step 4: Simplify right side
    420,965.02x = 145,989,625,924.35
  5. Step 5: Solve for x
    x = 145,989,625,924.35/420,965.02
  6. Step 6: Final answer
    x = 346,797.52

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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.