Home / 688,744.25-1,033,126.75-262,303.65

Finding the Fourth Proportional to 688,744.25, 1,033,126.75 and 262,303.65

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Solution

The fourth proportional to 688,744.25, 1,033,126.75 and 262,303.65 is: 393,459.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,744.25 : 1,033,126.75 = 262,303.65 : x
  2. Step 2: Convert to fraction form
    688,744.25/1,033,126.75 = 262,303.65/x
  3. Step 3: Cross multiply
    688,744.25x = 1,033,126.75 × 262,303.65
  4. Step 4: Simplify right side
    688,744.25x = 270,992,917,437.64
  5. Step 5: Solve for x
    x = 270,992,917,437.64/688,744.25
  6. Step 6: Final answer
    x = 393,459.43

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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.