Home / 426,425.64-588,467.01-235,440.21

Finding the Fourth Proportional to 426,425.64, 588,467.01 and 235,440.21

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Solution

The fourth proportional to 426,425.64, 588,467.01 and 235,440.21 is: 324,907.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,425.64 : 588,467.01 = 235,440.21 : x
  2. Step 2: Convert to fraction form
    426,425.64/588,467.01 = 235,440.21/x
  3. Step 3: Cross multiply
    426,425.64x = 588,467.01 × 235,440.21
  4. Step 4: Simplify right side
    426,425.64x = 138,548,796,412.47
  5. Step 5: Solve for x
    x = 138,548,796,412.47/426,425.64
  6. Step 6: Final answer
    x = 324,907.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.