Home / 983,405.30-1,474,913.55-477,965.30

Finding the Fourth Proportional to 983,405.30, 1,474,913.55 and 477,965.30

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Solution

The fourth proportional to 983,405.30, 1,474,913.55 and 477,965.30 is: 716,853.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,405.30 : 1,474,913.55 = 477,965.30 : x
  2. Step 2: Convert to fraction form
    983,405.30/1,474,913.55 = 477,965.30/x
  3. Step 3: Cross multiply
    983,405.30x = 1,474,913.55 × 477,965.30
  4. Step 4: Simplify right side
    983,405.30x = 704,957,497,399.82
  5. Step 5: Solve for x
    x = 704,957,497,399.82/983,405.30
  6. Step 6: Final answer
    x = 716,853.47

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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.