Home / 502,222.85-693,072.54-272,784.68

Finding the Fourth Proportional to 502,222.85, 693,072.54 and 272,784.68

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Solution

The fourth proportional to 502,222.85, 693,072.54 and 272,784.68 is: 376,445.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,222.85 : 693,072.54 = 272,784.68 : x
  2. Step 2: Convert to fraction form
    502,222.85/693,072.54 = 272,784.68/x
  3. Step 3: Cross multiply
    502,222.85x = 693,072.54 × 272,784.68
  4. Step 4: Simplify right side
    502,222.85x = 189,059,566,211.40
  5. Step 5: Solve for x
    x = 189,059,566,211.40/502,222.85
  6. Step 6: Final answer
    x = 376,445.57

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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.