Home / 744,645.76-1,117,435.20-301,413.76

Finding the Fourth Proportional to 744,645.76, 1,117,435.20 and 301,413.76

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Solution

The fourth proportional to 744,645.76, 1,117,435.20 and 301,413.76 is: 452,309.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,645.76 : 1,117,435.20 = 301,413.76 : x
  2. Step 2: Convert to fraction form
    744,645.76/1,117,435.20 = 301,413.76/x
  3. Step 3: Cross multiply
    744,645.76x = 1,117,435.20 × 301,413.76
  4. Step 4: Simplify right side
    744,645.76x = 336,810,345,188.35
  5. Step 5: Solve for x
    x = 336,810,345,188.35/744,645.76
  6. Step 6: Final answer
    x = 452,309.49

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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.