Home / 615,519.41-849,419.06-343,582.43

Finding the Fourth Proportional to 615,519.41, 849,419.06 and 343,582.43

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Solution

The fourth proportional to 615,519.41, 849,419.06 and 343,582.43 is: 474,145.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,519.41 : 849,419.06 = 343,582.43 : x
  2. Step 2: Convert to fraction form
    615,519.41/849,419.06 = 343,582.43/x
  3. Step 3: Cross multiply
    615,519.41x = 849,419.06 × 343,582.43
  4. Step 4: Simplify right side
    615,519.41x = 291,845,458,758.11
  5. Step 5: Solve for x
    x = 291,845,458,758.11/615,519.41
  6. Step 6: Final answer
    x = 474,145.02

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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.