Home / 797,413.82-1,191,037.77-721,395.72

Finding the Fourth Proportional to 797,413.82, 1,191,037.77 and 721,395.72

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Solution

The fourth proportional to 797,413.82, 1,191,037.77 and 721,395.72 is: 1,077,495.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,413.82 : 1,191,037.77 = 721,395.72 : x
  2. Step 2: Convert to fraction form
    797,413.82/1,191,037.77 = 721,395.72/x
  3. Step 3: Cross multiply
    797,413.82x = 1,191,037.77 × 721,395.72
  4. Step 4: Simplify right side
    797,413.82x = 859,209,549,636.34
  5. Step 5: Solve for x
    x = 859,209,549,636.34/797,413.82
  6. Step 6: Final answer
    x = 1,077,495.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.