Home / 657,850.75-907,856.04-403,152.73

Finding the Fourth Proportional to 657,850.75, 907,856.04 and 403,152.73

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Solution

The fourth proportional to 657,850.75, 907,856.04 and 403,152.73 is: 556,364.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,850.75 : 907,856.04 = 403,152.73 : x
  2. Step 2: Convert to fraction form
    657,850.75/907,856.04 = 403,152.73/x
  3. Step 3: Cross multiply
    657,850.75x = 907,856.04 × 403,152.73
  4. Step 4: Simplify right side
    657,850.75x = 366,004,640,972.99
  5. Step 5: Solve for x
    x = 366,004,640,972.99/657,850.75
  6. Step 6: Final answer
    x = 556,364.25

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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.