Home / 502,223.09-693,072.88-272,784.92

Finding the Fourth Proportional to 502,223.09, 693,072.88 and 272,784.92

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Solution

The fourth proportional to 502,223.09, 693,072.88 and 272,784.92 is: 376,445.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,223.09 : 693,072.88 = 272,784.92 : x
  2. Step 2: Convert to fraction form
    502,223.09/693,072.88 = 272,784.92/x
  3. Step 3: Cross multiply
    502,223.09x = 693,072.88 × 272,784.92
  4. Step 4: Simplify right side
    502,223.09x = 189,059,831,175.69
  5. Step 5: Solve for x
    x = 189,059,831,175.69/502,223.09
  6. Step 6: Final answer
    x = 376,445.91

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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.