Home / 498,146.46-687,544.41-304,587.24

Finding the Fourth Proportional to 498,146.46, 687,544.41 and 304,587.24

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Solution

The fourth proportional to 498,146.46, 687,544.41 and 304,587.24 is: 420,392.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,146.46 : 687,544.41 = 304,587.24 : x
  2. Step 2: Convert to fraction form
    498,146.46/687,544.41 = 304,587.24/x
  3. Step 3: Cross multiply
    498,146.46x = 687,544.41 × 304,587.24
  4. Step 4: Simplify right side
    498,146.46x = 209,417,254,219.33
  5. Step 5: Solve for x
    x = 209,417,254,219.33/498,146.46
  6. Step 6: Final answer
    x = 420,392.94

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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.