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Finding the Fourth Proportional to 605,255.60, 907,883.40 and 538,900.40

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Solution

The fourth proportional to 605,255.60, 907,883.40 and 538,900.40 is: 808,350.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,255.60 : 907,883.40 = 538,900.40 : x
  2. Step 2: Convert to fraction form
    605,255.60/907,883.40 = 538,900.40/x
  3. Step 3: Cross multiply
    605,255.60x = 907,883.40 × 538,900.40
  4. Step 4: Simplify right side
    605,255.60x = 489,258,727,413.36
  5. Step 5: Solve for x
    x = 489,258,727,413.36/605,255.60
  6. Step 6: Final answer
    x = 808,350.60

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1.5x scale

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.