Home / 875,207.40-1,207,265.73-681,308.21

Finding the Fourth Proportional to 875,207.40, 1,207,265.73 and 681,308.21

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Solution

The fourth proportional to 875,207.40, 1,207,265.73 and 681,308.21 is: 939,800.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,207.40 : 1,207,265.73 = 681,308.21 : x
  2. Step 2: Convert to fraction form
    875,207.40/1,207,265.73 = 681,308.21/x
  3. Step 3: Cross multiply
    875,207.40x = 1,207,265.73 × 681,308.21
  4. Step 4: Simplify right side
    875,207.40x = 822,520,054,922.03
  5. Step 5: Solve for x
    x = 822,520,054,922.03/875,207.40
  6. Step 6: Final answer
    x = 939,800.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.