Home / 808,447.60-1,212,464.55-239,695.71

Finding the Fourth Proportional to 808,447.60, 1,212,464.55 and 239,695.71

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Solution

The fourth proportional to 808,447.60, 1,212,464.55 and 239,695.71 is: 359,482.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,447.60 : 1,212,464.55 = 239,695.71 : x
  2. Step 2: Convert to fraction form
    808,447.60/1,212,464.55 = 239,695.71/x
  3. Step 3: Cross multiply
    808,447.60x = 1,212,464.55 × 239,695.71
  4. Step 4: Simplify right side
    808,447.60x = 290,622,551,162.08
  5. Step 5: Solve for x
    x = 290,622,551,162.08/808,447.60
  6. Step 6: Final answer
    x = 359,482.24

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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.