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Finding the Fourth Proportional to 472,896.71, 709,723.33 and 248,389.54

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Solution

The fourth proportional to 472,896.71, 709,723.33 and 248,389.54 is: 372,783.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,896.71 : 709,723.33 = 248,389.54 : x
  2. Step 2: Convert to fraction form
    472,896.71/709,723.33 = 248,389.54/x
  3. Step 3: Cross multiply
    472,896.71x = 709,723.33 × 248,389.54
  4. Step 4: Simplify right side
    472,896.71x = 176,287,851,465.97
  5. Step 5: Solve for x
    x = 176,287,851,465.97/472,896.71
  6. Step 6: Final answer
    x = 372,783.00

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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.