Home / 902,413.71-1,245,330.95-500,005.71

Finding the Fourth Proportional to 902,413.71, 1,245,330.95 and 500,005.71

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Solution

The fourth proportional to 902,413.71, 1,245,330.95 and 500,005.71 is: 690,007.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,413.71 : 1,245,330.95 = 500,005.71 : x
  2. Step 2: Convert to fraction form
    902,413.71/1,245,330.95 = 500,005.71/x
  3. Step 3: Cross multiply
    902,413.71x = 1,245,330.95 × 500,005.71
  4. Step 4: Simplify right side
    902,413.71x = 622,672,583,339.70
  5. Step 5: Solve for x
    x = 622,672,583,339.70/902,413.71
  6. Step 6: Final answer
    x = 690,007.89

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1.5x scale

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.