Home / 502,222.20-693,071.67-272,783.98

Finding the Fourth Proportional to 502,222.20, 693,071.67 and 272,783.98

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Solution

The fourth proportional to 502,222.20, 693,071.67 and 272,783.98 is: 376,444.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,222.20 : 693,071.67 = 272,783.98 : x
  2. Step 2: Convert to fraction form
    502,222.20/693,071.67 = 272,783.98/x
  3. Step 3: Cross multiply
    502,222.20x = 693,071.67 × 272,783.98
  4. Step 4: Simplify right side
    502,222.20x = 189,058,848,507.86
  5. Step 5: Solve for x
    x = 189,058,848,507.86/502,222.20
  6. Step 6: Final answer
    x = 376,444.63

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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.