Home / 787,144.51-1,180,659.82-247,555.14

Finding the Fourth Proportional to 787,144.51, 1,180,659.82 and 247,555.14

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Solution

The fourth proportional to 787,144.51, 1,180,659.82 and 247,555.14 is: 371,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,144.51 : 1,180,659.82 = 247,555.14 : x
  2. Step 2: Convert to fraction form
    787,144.51/1,180,659.82 = 247,555.14/x
  3. Step 3: Cross multiply
    787,144.51x = 1,180,659.82 × 247,555.14
  4. Step 4: Simplify right side
    787,144.51x = 292,278,406,413.59
  5. Step 5: Solve for x
    x = 292,278,406,413.59/787,144.51
  6. Step 6: Final answer
    x = 371,314.80

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Double scale
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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.