Home / 742,947.22-1,114,440.81-210,413.26

Finding the Fourth Proportional to 742,947.22, 1,114,440.81 and 210,413.26

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Solution

The fourth proportional to 742,947.22, 1,114,440.81 and 210,413.26 is: 315,625.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,947.22 : 1,114,440.81 = 210,413.26 : x
  2. Step 2: Convert to fraction form
    742,947.22/1,114,440.81 = 210,413.26/x
  3. Step 3: Cross multiply
    742,947.22x = 1,114,440.81 × 210,413.26
  4. Step 4: Simplify right side
    742,947.22x = 234,493,123,909.14
  5. Step 5: Solve for x
    x = 234,493,123,909.14/742,947.22
  6. Step 6: Final answer
    x = 315,625.55

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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.