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Finding the Fourth Proportional to 661,695.30, 913,101.66 and 367,329.92

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Solution

The fourth proportional to 661,695.30, 913,101.66 and 367,329.92 is: 506,894.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,695.30 : 913,101.66 = 367,329.92 : x
  2. Step 2: Convert to fraction form
    661,695.30/913,101.66 = 367,329.92/x
  3. Step 3: Cross multiply
    661,695.30x = 913,101.66 × 367,329.92
  4. Step 4: Simplify right side
    661,695.30x = 335,409,555,154.16
  5. Step 5: Solve for x
    x = 335,409,555,154.16/661,695.30
  6. Step 6: Final answer
    x = 506,894.27

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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.