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Finding the Fourth Proportional to 615,507.89, 849,542.58 and 360,941.09

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Solution

The fourth proportional to 615,507.89, 849,542.58 and 360,941.09 is: 498,181.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,507.89 : 849,542.58 = 360,941.09 : x
  2. Step 2: Convert to fraction form
    615,507.89/849,542.58 = 360,941.09/x
  3. Step 3: Cross multiply
    615,507.89x = 849,542.58 × 360,941.09
  4. Step 4: Simplify right side
    615,507.89x = 306,634,820,578.90
  5. Step 5: Solve for x
    x = 306,634,820,578.90/615,507.89
  6. Step 6: Final answer
    x = 498,181.79

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1.5x scale

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.