Home / 733,838.92-1,012,685.52-428,093.08

Finding the Fourth Proportional to 733,838.92, 1,012,685.52 and 428,093.08

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Solution

The fourth proportional to 733,838.92, 1,012,685.52 and 428,093.08 is: 590,761.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,838.92 : 1,012,685.52 = 428,093.08 : x
  2. Step 2: Convert to fraction form
    733,838.92/1,012,685.52 = 428,093.08/x
  3. Step 3: Cross multiply
    733,838.92x = 1,012,685.52 × 428,093.08
  4. Step 4: Simplify right side
    733,838.92x = 433,523,662,401.84
  5. Step 5: Solve for x
    x = 433,523,662,401.84/733,838.92
  6. Step 6: Final answer
    x = 590,761.34

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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.