Home / 710,859.56-1,066,356.16-261,589.01

Finding the Fourth Proportional to 710,859.56, 1,066,356.16 and 261,589.01

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Solution

The fourth proportional to 710,859.56, 1,066,356.16 and 261,589.01 is: 392,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,859.56 : 1,066,356.16 = 261,589.01 : x
  2. Step 2: Convert to fraction form
    710,859.56/1,066,356.16 = 261,589.01/x
  3. Step 3: Cross multiply
    710,859.56x = 1,066,356.16 × 261,589.01
  4. Step 4: Simplify right side
    710,859.56x = 278,947,046,216.05
  5. Step 5: Solve for x
    x = 278,947,046,216.05/710,859.56
  6. Step 6: Final answer
    x = 392,408.10

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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.