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Finding the Fourth Proportional to 660,956.38, 912,125.27 and 359,150.38

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Solution

The fourth proportional to 660,956.38, 912,125.27 and 359,150.38 is: 495,630.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,956.38 : 912,125.27 = 359,150.38 : x
  2. Step 2: Convert to fraction form
    660,956.38/912,125.27 = 359,150.38/x
  3. Step 3: Cross multiply
    660,956.38x = 912,125.27 × 359,150.38
  4. Step 4: Simplify right side
    660,956.38x = 327,590,130,971.72
  5. Step 5: Solve for x
    x = 327,590,130,971.72/660,956.38
  6. Step 6: Final answer
    x = 495,630.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.