Home / 449,575.20-620,553.28-277,547.36

Finding the Fourth Proportional to 449,575.20, 620,553.28 and 277,547.36

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Solution

The fourth proportional to 449,575.20, 620,553.28 and 277,547.36 is: 383,101.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,575.20 : 620,553.28 = 277,547.36 : x
  2. Step 2: Convert to fraction form
    449,575.20/620,553.28 = 277,547.36/x
  3. Step 3: Cross multiply
    449,575.20x = 620,553.28 × 277,547.36
  4. Step 4: Simplify right side
    449,575.20x = 172,232,924,603.34
  5. Step 5: Solve for x
    x = 172,232,924,603.34/449,575.20
  6. Step 6: Final answer
    x = 383,101.48

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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.