Home / 914,413.96-1,261,847.42-506,488.28

Finding the Fourth Proportional to 914,413.96, 1,261,847.42 and 506,488.28

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Solution

The fourth proportional to 914,413.96, 1,261,847.42 and 506,488.28 is: 698,929.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,413.96 : 1,261,847.42 = 506,488.28 : x
  2. Step 2: Convert to fraction form
    914,413.96/1,261,847.42 = 506,488.28/x
  3. Step 3: Cross multiply
    914,413.96x = 1,261,847.42 × 506,488.28
  4. Step 4: Simplify right side
    914,413.96x = 639,110,929,378.24
  5. Step 5: Solve for x
    x = 639,110,929,378.24/914,413.96
  6. Step 6: Final answer
    x = 698,929.54

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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.