Home / 725,413.89-1,087,698.73-533,403.15

Finding the Fourth Proportional to 725,413.89, 1,087,698.73 and 533,403.15

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Solution

The fourth proportional to 725,413.89, 1,087,698.73 and 533,403.15 is: 799,794.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,413.89 : 1,087,698.73 = 533,403.15 : x
  2. Step 2: Convert to fraction form
    725,413.89/1,087,698.73 = 533,403.15/x
  3. Step 3: Cross multiply
    725,413.89x = 1,087,698.73 × 533,403.15
  4. Step 4: Simplify right side
    725,413.89x = 580,181,925,792.20
  5. Step 5: Solve for x
    x = 580,181,925,792.20/725,413.89
  6. Step 6: Final answer
    x = 799,794.34

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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.