Home / 452,904.64-679,372.16-203,587.36

Finding the Fourth Proportional to 452,904.64, 679,372.16 and 203,587.36

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Solution

The fourth proportional to 452,904.64, 679,372.16 and 203,587.36 is: 305,387.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,904.64 : 679,372.16 = 203,587.36 : x
  2. Step 2: Convert to fraction form
    452,904.64/679,372.16 = 203,587.36/x
  3. Step 3: Cross multiply
    452,904.64x = 679,372.16 × 203,587.36
  4. Step 4: Simplify right side
    452,904.64x = 138,311,584,511.90
  5. Step 5: Solve for x
    x = 138,311,584,511.90/452,904.64
  6. Step 6: Final answer
    x = 305,387.87

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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.