Home / 791,214.03-1,091,873.91-428,646.96

Finding the Fourth Proportional to 791,214.03, 1,091,873.91 and 428,646.96

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Solution

The fourth proportional to 791,214.03, 1,091,873.91 and 428,646.96 is: 591,532.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,214.03 : 1,091,873.91 = 428,646.96 : x
  2. Step 2: Convert to fraction form
    791,214.03/1,091,873.91 = 428,646.96/x
  3. Step 3: Cross multiply
    791,214.03x = 1,091,873.91 × 428,646.96
  4. Step 4: Simplify right side
    791,214.03x = 468,028,432,224.81
  5. Step 5: Solve for x
    x = 468,028,432,224.81/791,214.03
  6. Step 6: Final answer
    x = 591,532.02

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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.