Home / 559,139.22-771,620.94-304,490.16

Finding the Fourth Proportional to 559,139.22, 771,620.94 and 304,490.16

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Solution

The fourth proportional to 559,139.22, 771,620.94 and 304,490.16 is: 420,201.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,139.22 : 771,620.94 = 304,490.16 : x
  2. Step 2: Convert to fraction form
    559,139.22/771,620.94 = 304,490.16/x
  3. Step 3: Cross multiply
    559,139.22x = 771,620.94 × 304,490.16
  4. Step 4: Simplify right side
    559,139.22x = 234,950,983,479.95
  5. Step 5: Solve for x
    x = 234,950,983,479.95/559,139.22
  6. Step 6: Final answer
    x = 420,201.22

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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.