Home / 711,068.61-1,066,104.95-261,731.19

Finding the Fourth Proportional to 711,068.61, 1,066,104.95 and 261,731.19

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Solution

The fourth proportional to 711,068.61, 1,066,104.95 and 261,731.19 is: 392,413.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,068.61 : 1,066,104.95 = 261,731.19 : x
  2. Step 2: Convert to fraction form
    711,068.61/1,066,104.95 = 261,731.19/x
  3. Step 3: Cross multiply
    711,068.61x = 1,066,104.95 × 261,731.19
  4. Step 4: Simplify right side
    711,068.61x = 279,032,915,919.74
  5. Step 5: Solve for x
    x = 279,032,915,919.74/711,068.61
  6. Step 6: Final answer
    x = 392,413.49

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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.