Home / 694,275.89-1,041,039.36-314,989.70

Finding the Fourth Proportional to 694,275.89, 1,041,039.36 and 314,989.70

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Solution

The fourth proportional to 694,275.89, 1,041,039.36 and 314,989.70 is: 472,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,275.89 : 1,041,039.36 = 314,989.70 : x
  2. Step 2: Convert to fraction form
    694,275.89/1,041,039.36 = 314,989.70/x
  3. Step 3: Cross multiply
    694,275.89x = 1,041,039.36 × 314,989.70
  4. Step 4: Simplify right side
    694,275.89x = 327,916,670,489.40
  5. Step 5: Solve for x
    x = 327,916,670,489.40/694,275.89
  6. Step 6: Final answer
    x = 472,314.65

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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.