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Finding the Fourth Proportional to 569,850.71, 786,413.40 and 324,871.70

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Solution

The fourth proportional to 569,850.71, 786,413.40 and 324,871.70 is: 448,334.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,850.71 : 786,413.40 = 324,871.70 : x
  2. Step 2: Convert to fraction form
    569,850.71/786,413.40 = 324,871.70/x
  3. Step 3: Cross multiply
    569,850.71x = 786,413.40 × 324,871.70
  4. Step 4: Simplify right side
    569,850.71x = 255,483,454,228.71
  5. Step 5: Solve for x
    x = 255,483,454,228.71/569,850.71
  6. Step 6: Final answer
    x = 448,334.01

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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.