Home / 710,979.54-1,066,470.39-284,707.32

Finding the Fourth Proportional to 710,979.54, 1,066,470.39 and 284,707.32

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Solution

The fourth proportional to 710,979.54, 1,066,470.39 and 284,707.32 is: 427,061.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,979.54 : 1,066,470.39 = 284,707.32 : x
  2. Step 2: Convert to fraction form
    710,979.54/1,066,470.39 = 284,707.32/x
  3. Step 3: Cross multiply
    710,979.54x = 1,066,470.39 × 284,707.32
  4. Step 4: Simplify right side
    710,979.54x = 303,631,926,596.26
  5. Step 5: Solve for x
    x = 303,631,926,596.26/710,979.54
  6. Step 6: Final answer
    x = 427,061.41

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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.