Home / 808,619.70-1,213,913.70-409,054.80

Finding the Fourth Proportional to 808,619.70, 1,213,913.70 and 409,054.80

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Solution

The fourth proportional to 808,619.70, 1,213,913.70 and 409,054.80 is: 614,080.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,619.70 : 1,213,913.70 = 409,054.80 : x
  2. Step 2: Convert to fraction form
    808,619.70/1,213,913.70 = 409,054.80/x
  3. Step 3: Cross multiply
    808,619.70x = 1,213,913.70 × 409,054.80
  4. Step 4: Simplify right side
    808,619.70x = 496,557,225,770.76
  5. Step 5: Solve for x
    x = 496,557,225,770.76/808,619.70
  6. Step 6: Final answer
    x = 614,080.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.