Home / 709,216.91-1,064,022.20-393,895.25

Finding the Fourth Proportional to 709,216.91, 1,064,022.20 and 393,895.25

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Solution

The fourth proportional to 709,216.91, 1,064,022.20 and 393,895.25 is: 590,952.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,216.91 : 1,064,022.20 = 393,895.25 : x
  2. Step 2: Convert to fraction form
    709,216.91/1,064,022.20 = 393,895.25/x
  3. Step 3: Cross multiply
    709,216.91x = 1,064,022.20 × 393,895.25
  4. Step 4: Simplify right side
    709,216.91x = 419,113,283,184.96
  5. Step 5: Solve for x
    x = 419,113,283,184.96/709,216.91
  6. Step 6: Final answer
    x = 590,952.19

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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.