Home / 498,417.64-687,816.16-272,063.14

Finding the Fourth Proportional to 498,417.64, 687,816.16 and 272,063.14

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Solution

The fourth proportional to 498,417.64, 687,816.16 and 272,063.14 is: 375,447.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,417.64 : 687,816.16 = 272,063.14 : x
  2. Step 2: Convert to fraction form
    498,417.64/687,816.16 = 272,063.14/x
  3. Step 3: Cross multiply
    498,417.64x = 687,816.16 × 272,063.14
  4. Step 4: Simplify right side
    498,417.64x = 187,129,421,832.64
  5. Step 5: Solve for x
    x = 187,129,421,832.64/498,417.64
  6. Step 6: Final answer
    x = 375,447.03

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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.