Home / 555,835.81-766,757.60-338,111.05

Finding the Fourth Proportional to 555,835.81, 766,757.60 and 338,111.05

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Solution

The fourth proportional to 555,835.81, 766,757.60 and 338,111.05 is: 466,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,835.81 : 766,757.60 = 338,111.05 : x
  2. Step 2: Convert to fraction form
    555,835.81/766,757.60 = 338,111.05/x
  3. Step 3: Cross multiply
    555,835.81x = 766,757.60 × 338,111.05
  4. Step 4: Simplify right side
    555,835.81x = 259,249,211,707.14
  5. Step 5: Solve for x
    x = 259,249,211,707.14/555,835.81
  6. Step 6: Final answer
    x = 466,413.30

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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.