Home / 907,046.70-1,361,007.45-640,232.70

Finding the Fourth Proportional to 907,046.70, 1,361,007.45 and 640,232.70

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Solution

The fourth proportional to 907,046.70, 1,361,007.45 and 640,232.70 is: 960,657.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,046.70 : 1,361,007.45 = 640,232.70 : x
  2. Step 2: Convert to fraction form
    907,046.70/1,361,007.45 = 640,232.70/x
  3. Step 3: Cross multiply
    907,046.70x = 1,361,007.45 × 640,232.70
  4. Step 4: Simplify right side
    907,046.70x = 871,361,474,433.62
  5. Step 5: Solve for x
    x = 871,361,474,433.62/907,046.70
  6. Step 6: Final answer
    x = 960,657.79

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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.