Home / 688,801.32-1,033,212.31-262,360.62

Finding the Fourth Proportional to 688,801.32, 1,033,212.31 and 262,360.62

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Solution

The fourth proportional to 688,801.32, 1,033,212.31 and 262,360.62 is: 393,544.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,801.32 : 1,033,212.31 = 262,360.62 : x
  2. Step 2: Convert to fraction form
    688,801.32/1,033,212.31 = 262,360.62/x
  3. Step 3: Cross multiply
    688,801.32x = 1,033,212.31 × 262,360.62
  4. Step 4: Simplify right side
    688,801.32x = 271,074,221,587.33
  5. Step 5: Solve for x
    x = 271,074,221,587.33/688,801.32
  6. Step 6: Final answer
    x = 393,544.86

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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.