Home / 615,486.53-849,513.12-360,919.73

Finding the Fourth Proportional to 615,486.53, 849,513.12 and 360,919.73

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Solution

The fourth proportional to 615,486.53, 849,513.12 and 360,919.73 is: 498,152.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,486.53 : 849,513.12 = 360,919.73 : x
  2. Step 2: Convert to fraction form
    615,486.53/849,513.12 = 360,919.73/x
  3. Step 3: Cross multiply
    615,486.53x = 849,513.12 × 360,919.73
  4. Step 4: Simplify right side
    615,486.53x = 306,606,041,654.29
  5. Step 5: Solve for x
    x = 306,606,041,654.29/615,486.53
  6. Step 6: Final answer
    x = 498,152.32

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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.