Home / 907,290.30-1,360,935.45-641,569.80

Finding the Fourth Proportional to 907,290.30, 1,360,935.45 and 641,569.80

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Solution

The fourth proportional to 907,290.30, 1,360,935.45 and 641,569.80 is: 962,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,290.30 : 1,360,935.45 = 641,569.80 : x
  2. Step 2: Convert to fraction form
    907,290.30/1,360,935.45 = 641,569.80/x
  3. Step 3: Cross multiply
    907,290.30x = 1,360,935.45 × 641,569.80
  4. Step 4: Simplify right side
    907,290.30x = 873,135,084,469.41
  5. Step 5: Solve for x
    x = 873,135,084,469.41/907,290.30
  6. Step 6: Final answer
    x = 962,354.70

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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.