Home / 809,432.64-1,116,987.69-446,848.68

Finding the Fourth Proportional to 809,432.64, 1,116,987.69 and 446,848.68

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Solution

The fourth proportional to 809,432.64, 1,116,987.69 and 446,848.68 is: 616,634.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,432.64 : 1,116,987.69 = 446,848.68 : x
  2. Step 2: Convert to fraction form
    809,432.64/1,116,987.69 = 446,848.68/x
  3. Step 3: Cross multiply
    809,432.64x = 1,116,987.69 × 446,848.68
  4. Step 4: Simplify right side
    809,432.64x = 499,124,474,852.75
  5. Step 5: Solve for x
    x = 499,124,474,852.75/809,432.64
  6. Step 6: Final answer
    x = 616,634.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.