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Finding the Fourth Proportional to 660,925.96, 912,076.14 and 359,119.96

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Solution

The fourth proportional to 660,925.96, 912,076.14 and 359,119.96 is: 495,584.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,925.96 : 912,076.14 = 359,119.96 : x
  2. Step 2: Convert to fraction form
    660,925.96/912,076.14 = 359,119.96/x
  3. Step 3: Cross multiply
    660,925.96x = 912,076.14 × 359,119.96
  4. Step 4: Simplify right side
    660,925.96x = 327,544,746,913.75
  5. Step 5: Solve for x
    x = 327,544,746,913.75/660,925.96
  6. Step 6: Final answer
    x = 495,584.63

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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.