Home / 502,223.58-693,073.64-272,783.09

Finding the Fourth Proportional to 502,223.58, 693,073.64 and 272,783.09

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Solution

The fourth proportional to 502,223.58, 693,073.64 and 272,783.09 is: 376,443.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,223.58 : 693,073.64 = 272,783.09 : x
  2. Step 2: Convert to fraction form
    502,223.58/693,073.64 = 272,783.09/x
  3. Step 3: Cross multiply
    502,223.58x = 693,073.64 × 272,783.09
  4. Step 4: Simplify right side
    502,223.58x = 189,058,771,531.39
  5. Step 5: Solve for x
    x = 189,058,771,531.39/502,223.58
  6. Step 6: Final answer
    x = 376,443.44

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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.