Home / 876,124.72-1,314,197.52-343,896.40

Finding the Fourth Proportional to 876,124.72, 1,314,197.52 and 343,896.40

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Solution

The fourth proportional to 876,124.72, 1,314,197.52 and 343,896.40 is: 515,848.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,124.72 : 1,314,197.52 = 343,896.40 : x
  2. Step 2: Convert to fraction form
    876,124.72/1,314,197.52 = 343,896.40/x
  3. Step 3: Cross multiply
    876,124.72x = 1,314,197.52 × 343,896.40
  4. Step 4: Simplify right side
    876,124.72x = 451,947,796,016.93
  5. Step 5: Solve for x
    x = 451,947,796,016.93/876,124.72
  6. Step 6: Final answer
    x = 515,848.70

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1.5x scale

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.