Home / 983,405.80-1,474,914.30-477,965.80

Finding the Fourth Proportional to 983,405.80, 1,474,914.30 and 477,965.80

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Solution

The fourth proportional to 983,405.80, 1,474,914.30 and 477,965.80 is: 716,854.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,405.80 : 1,474,914.30 = 477,965.80 : x
  2. Step 2: Convert to fraction form
    983,405.80/1,474,914.30 = 477,965.80/x
  3. Step 3: Cross multiply
    983,405.80x = 1,474,914.30 × 477,965.80
  4. Step 4: Simplify right side
    983,405.80x = 704,958,593,330.94
  5. Step 5: Solve for x
    x = 704,958,593,330.94/983,405.80
  6. Step 6: Final answer
    x = 716,854.22

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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.