Home / 913,530.88-1,370,388.39-314,413.30

Finding the Fourth Proportional to 913,530.88, 1,370,388.39 and 314,413.30

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Solution

The fourth proportional to 913,530.88, 1,370,388.39 and 314,413.30 is: 471,651.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,530.88 : 1,370,388.39 = 314,413.30 : x
  2. Step 2: Convert to fraction form
    913,530.88/1,370,388.39 = 314,413.30/x
  3. Step 3: Cross multiply
    913,530.88x = 1,370,388.39 × 314,413.30
  4. Step 4: Simplify right side
    913,530.88x = 430,868,335,981.59
  5. Step 5: Solve for x
    x = 430,868,335,981.59/913,530.88
  6. Step 6: Final answer
    x = 471,651.64

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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.