Home / 900,869.76-1,351,091.40-261,004.16

Finding the Fourth Proportional to 900,869.76, 1,351,091.40 and 261,004.16

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Solution

The fourth proportional to 900,869.76, 1,351,091.40 and 261,004.16 is: 391,444.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,869.76 : 1,351,091.40 = 261,004.16 : x
  2. Step 2: Convert to fraction form
    900,869.76/1,351,091.40 = 261,004.16/x
  3. Step 3: Cross multiply
    900,869.76x = 1,351,091.40 × 261,004.16
  4. Step 4: Simplify right side
    900,869.76x = 352,640,475,940.22
  5. Step 5: Solve for x
    x = 352,640,475,940.22/900,869.76
  6. Step 6: Final answer
    x = 391,444.46

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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.