Home / 990,650.88-1,485,779.04-484,994.88

Finding the Fourth Proportional to 990,650.88, 1,485,779.04 and 484,994.88

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Solution

The fourth proportional to 990,650.88, 1,485,779.04 and 484,994.88 is: 727,395.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,650.88 : 1,485,779.04 = 484,994.88 : x
  2. Step 2: Convert to fraction form
    990,650.88/1,485,779.04 = 484,994.88/x
  3. Step 3: Cross multiply
    990,650.88x = 1,485,779.04 × 484,994.88
  4. Step 4: Simplify right side
    990,650.88x = 720,595,227,211.32
  5. Step 5: Solve for x
    x = 720,595,227,211.32/990,650.88
  6. Step 6: Final answer
    x = 727,395.74

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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.