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Finding the Fourth Proportional to 660,413.39, 911,466.81 and 370,044.59

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Solution

The fourth proportional to 660,413.39, 911,466.81 and 370,044.59 is: 510,715.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,413.39 : 911,466.81 = 370,044.59 : x
  2. Step 2: Convert to fraction form
    660,413.39/911,466.81 = 370,044.59/x
  3. Step 3: Cross multiply
    660,413.39x = 911,466.81 × 370,044.59
  4. Step 4: Simplify right side
    660,413.39x = 337,283,357,447.72
  5. Step 5: Solve for x
    x = 337,283,357,447.72/660,413.39
  6. Step 6: Final answer
    x = 510,715.51

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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.