Home / 769,512.96-1,061,925.66-429,981.48

Finding the Fourth Proportional to 769,512.96, 1,061,925.66 and 429,981.48

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Solution

The fourth proportional to 769,512.96, 1,061,925.66 and 429,981.48 is: 593,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,512.96 : 1,061,925.66 = 429,981.48 : x
  2. Step 2: Convert to fraction form
    769,512.96/1,061,925.66 = 429,981.48/x
  3. Step 3: Cross multiply
    769,512.96x = 1,061,925.66 × 429,981.48
  4. Step 4: Simplify right side
    769,512.96x = 456,608,366,936.78
  5. Step 5: Solve for x
    x = 456,608,366,936.78/769,512.96
  6. Step 6: Final answer
    x = 593,373.20

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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.