Home / 841,928.25-1,263,349.22-487,634.25

Finding the Fourth Proportional to 841,928.25, 1,263,349.22 and 487,634.25

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Solution

The fourth proportional to 841,928.25, 1,263,349.22 and 487,634.25 is: 731,715.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,928.25 : 1,263,349.22 = 487,634.25 : x
  2. Step 2: Convert to fraction form
    841,928.25/1,263,349.22 = 487,634.25/x
  3. Step 3: Cross multiply
    841,928.25x = 1,263,349.22 × 487,634.25
  4. Step 4: Simplify right side
    841,928.25x = 616,052,346,944.61
  5. Step 5: Solve for x
    x = 616,052,346,944.61/841,928.25
  6. Step 6: Final answer
    x = 731,715.97

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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.