Home / 900,765.24-1,243,071.84-492,902.84

Finding the Fourth Proportional to 900,765.24, 1,243,071.84 and 492,902.84

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Solution

The fourth proportional to 900,765.24, 1,243,071.84 and 492,902.84 is: 680,214.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,765.24 : 1,243,071.84 = 492,902.84 : x
  2. Step 2: Convert to fraction form
    900,765.24/1,243,071.84 = 492,902.84/x
  3. Step 3: Cross multiply
    900,765.24x = 1,243,071.84 × 492,902.84
  4. Step 4: Simplify right side
    900,765.24x = 612,713,640,260.03
  5. Step 5: Solve for x
    x = 612,713,640,260.03/900,765.24
  6. Step 6: Final answer
    x = 680,214.57

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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.