Home / 688,747.33-1,033,131.39-262,306.77

Finding the Fourth Proportional to 688,747.33, 1,033,131.39 and 262,306.77

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Solution

The fourth proportional to 688,747.33, 1,033,131.39 and 262,306.77 is: 393,464.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,747.33 : 1,033,131.39 = 262,306.77 : x
  2. Step 2: Convert to fraction form
    688,747.33/1,033,131.39 = 262,306.77/x
  3. Step 3: Cross multiply
    688,747.33x = 1,033,131.39 × 262,306.77
  4. Step 4: Simplify right side
    688,747.33x = 270,997,357,896.51
  5. Step 5: Solve for x
    x = 270,997,357,896.51/688,747.33
  6. Step 6: Final answer
    x = 393,464.11

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1.5x scale

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.