Home / 559,161.24-771,637.20-304,516.68

Finding the Fourth Proportional to 559,161.24, 771,637.20 and 304,516.68

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Solution

The fourth proportional to 559,161.24, 771,637.20 and 304,516.68 is: 420,230.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,161.24 : 771,637.20 = 304,516.68 : x
  2. Step 2: Convert to fraction form
    559,161.24/771,637.20 = 304,516.68/x
  3. Step 3: Cross multiply
    559,161.24x = 771,637.20 × 304,516.68
  4. Step 4: Simplify right side
    559,161.24x = 234,976,398,308.50
  5. Step 5: Solve for x
    x = 234,976,398,308.50/559,161.24
  6. Step 6: Final answer
    x = 420,230.13

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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.