Home / 738,653.06-1,107,657.78-392,360.74

Finding the Fourth Proportional to 738,653.06, 1,107,657.78 and 392,360.74

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Solution

The fourth proportional to 738,653.06, 1,107,657.78 and 392,360.74 is: 588,370.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,653.06 : 1,107,657.78 = 392,360.74 : x
  2. Step 2: Convert to fraction form
    738,653.06/1,107,657.78 = 392,360.74/x
  3. Step 3: Cross multiply
    738,653.06x = 1,107,657.78 × 392,360.74
  4. Step 4: Simplify right side
    738,653.06x = 434,601,426,227.56
  5. Step 5: Solve for x
    x = 434,601,426,227.56/738,653.06
  6. Step 6: Final answer
    x = 588,370.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.