Home / 2,860,378.80-4,290,564.48-730,464.48

Finding the Fourth Proportional to 2,860,378.80, 4,290,564.48 and 730,464.48

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Solution

The fourth proportional to 2,860,378.80, 4,290,564.48 and 730,464.48 is: 1,095,695.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860,378.80 : 4,290,564.48 = 730,464.48 : x
  2. Step 2: Convert to fraction form
    2,860,378.80/4,290,564.48 = 730,464.48/x
  3. Step 3: Cross multiply
    2,860,378.80x = 4,290,564.48 × 730,464.48
  4. Step 4: Simplify right side
    2,860,378.80x = 3,134,104,951,789.67
  5. Step 5: Solve for x
    x = 3,134,104,951,789.67/2,860,378.80
  6. Step 6: Final answer
    x = 1,095,695.77

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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.