Home / 559,161.74-771,637.89-304,517.18

Finding the Fourth Proportional to 559,161.74, 771,637.89 and 304,517.18

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Solution

The fourth proportional to 559,161.74, 771,637.89 and 304,517.18 is: 420,230.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,161.74 : 771,637.89 = 304,517.18 : x
  2. Step 2: Convert to fraction form
    559,161.74/771,637.89 = 304,517.18/x
  3. Step 3: Cross multiply
    559,161.74x = 771,637.89 × 304,517.18
  4. Step 4: Simplify right side
    559,161.74x = 234,976,994,243.95
  5. Step 5: Solve for x
    x = 234,976,994,243.95/559,161.74
  6. Step 6: Final answer
    x = 420,230.82

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1.5x scale

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.