Home / 704,470.32-1,057,120.20-261,549.36

Finding the Fourth Proportional to 704,470.32, 1,057,120.20 and 261,549.36

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Solution

The fourth proportional to 704,470.32, 1,057,120.20 and 261,549.36 is: 392,478.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,470.32 : 1,057,120.20 = 261,549.36 : x
  2. Step 2: Convert to fraction form
    704,470.32/1,057,120.20 = 261,549.36/x
  3. Step 3: Cross multiply
    704,470.32x = 1,057,120.20 × 261,549.36
  4. Step 4: Simplify right side
    704,470.32x = 276,489,111,753.07
  5. Step 5: Solve for x
    x = 276,489,111,753.07/704,470.32
  6. Step 6: Final answer
    x = 392,478.01

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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.