Home / 738,903.92-1,108,366.74-487,792.56

Finding the Fourth Proportional to 738,903.92, 1,108,366.74 and 487,792.56

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Solution

The fourth proportional to 738,903.92, 1,108,366.74 and 487,792.56 is: 731,696.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,903.92 : 1,108,366.74 = 487,792.56 : x
  2. Step 2: Convert to fraction form
    738,903.92/1,108,366.74 = 487,792.56/x
  3. Step 3: Cross multiply
    738,903.92x = 1,108,366.74 × 487,792.56
  4. Step 4: Simplify right side
    738,903.92x = 540,653,049,523.45
  5. Step 5: Solve for x
    x = 540,653,049,523.45/738,903.92
  6. Step 6: Final answer
    x = 731,696.01

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1.5x scale

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.