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Finding the Fourth Proportional to 613,577.48, 846,794.10 and 358,912.52

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Solution

The fourth proportional to 613,577.48, 846,794.10 and 358,912.52 is: 495,332.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,577.48 : 846,794.10 = 358,912.52 : x
  2. Step 2: Convert to fraction form
    613,577.48/846,794.10 = 358,912.52/x
  3. Step 3: Cross multiply
    613,577.48x = 846,794.10 × 358,912.52
  4. Step 4: Simplify right side
    613,577.48x = 303,925,004,352.13
  5. Step 5: Solve for x
    x = 303,925,004,352.13/613,577.48
  6. Step 6: Final answer
    x = 495,332.72

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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.