Home / 872,260.76-1,308,391.43-359,918.42

Finding the Fourth Proportional to 872,260.76, 1,308,391.43 and 359,918.42

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Solution

The fourth proportional to 872,260.76, 1,308,391.43 and 359,918.42 is: 539,877.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,260.76 : 1,308,391.43 = 359,918.42 : x
  2. Step 2: Convert to fraction form
    872,260.76/1,308,391.43 = 359,918.42/x
  3. Step 3: Cross multiply
    872,260.76x = 1,308,391.43 × 359,918.42
  4. Step 4: Simplify right side
    872,260.76x = 470,914,167,885.59
  5. Step 5: Solve for x
    x = 470,914,167,885.59/872,260.76
  6. Step 6: Final answer
    x = 539,877.74

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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.