Home / 836,643.12-1,154,611.80-474,137.52

Finding the Fourth Proportional to 836,643.12, 1,154,611.80 and 474,137.52

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Solution

The fourth proportional to 836,643.12, 1,154,611.80 and 474,137.52 is: 654,334.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,643.12 : 1,154,611.80 = 474,137.52 : x
  2. Step 2: Convert to fraction form
    836,643.12/1,154,611.80 = 474,137.52/x
  3. Step 3: Cross multiply
    836,643.12x = 1,154,611.80 × 474,137.52
  4. Step 4: Simplify right side
    836,643.12x = 547,444,775,414.74
  5. Step 5: Solve for x
    x = 547,444,775,414.74/836,643.12
  6. Step 6: Final answer
    x = 654,334.88

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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.