Home / 709,965.50-1,065,260.43-372,927.87

Finding the Fourth Proportional to 709,965.50, 1,065,260.43 and 372,927.87

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Solution

The fourth proportional to 709,965.50, 1,065,260.43 and 372,927.87 is: 559,555.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,965.50 : 1,065,260.43 = 372,927.87 : x
  2. Step 2: Convert to fraction form
    709,965.50/1,065,260.43 = 372,927.87/x
  3. Step 3: Cross multiply
    709,965.50x = 1,065,260.43 × 372,927.87
  4. Step 4: Simplify right side
    709,965.50x = 397,265,303,155.18
  5. Step 5: Solve for x
    x = 397,265,303,155.18/709,965.50
  6. Step 6: Final answer
    x = 559,555.79

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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.