Home / 499,220.13-688,924.14-272,865.63

Finding the Fourth Proportional to 499,220.13, 688,924.14 and 272,865.63

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Solution

The fourth proportional to 499,220.13, 688,924.14 and 272,865.63 is: 376,554.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,220.13 : 688,924.14 = 272,865.63 : x
  2. Step 2: Convert to fraction form
    499,220.13/688,924.14 = 272,865.63/x
  3. Step 3: Cross multiply
    499,220.13x = 688,924.14 × 272,865.63
  4. Step 4: Simplify right side
    499,220.13x = 187,983,719,483.31
  5. Step 5: Solve for x
    x = 187,983,719,483.31/499,220.13
  6. Step 6: Final answer
    x = 376,554.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.