Home / 907,744.20-1,362,053.70-640,930.20

Finding the Fourth Proportional to 907,744.20, 1,362,053.70 and 640,930.20

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Solution

The fourth proportional to 907,744.20, 1,362,053.70 and 640,930.20 is: 961,704.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,744.20 : 1,362,053.70 = 640,930.20 : x
  2. Step 2: Convert to fraction form
    907,744.20/1,362,053.70 = 640,930.20/x
  3. Step 3: Cross multiply
    907,744.20x = 1,362,053.70 × 640,930.20
  4. Step 4: Simplify right side
    907,744.20x = 872,981,350,351.74
  5. Step 5: Solve for x
    x = 872,981,350,351.74/907,744.20
  6. Step 6: Final answer
    x = 961,704.13

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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.