Home / 835,178.40-1,152,533.79-491,052.96

Finding the Fourth Proportional to 835,178.40, 1,152,533.79 and 491,052.96

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Solution

The fourth proportional to 835,178.40, 1,152,533.79 and 491,052.96 is: 677,645.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,178.40 : 1,152,533.79 = 491,052.96 : x
  2. Step 2: Convert to fraction form
    835,178.40/1,152,533.79 = 491,052.96/x
  3. Step 3: Cross multiply
    835,178.40x = 1,152,533.79 × 491,052.96
  4. Step 4: Simplify right side
    835,178.40x = 565,955,129,079.52
  5. Step 5: Solve for x
    x = 565,955,129,079.52/835,178.40
  6. Step 6: Final answer
    x = 677,645.79

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1.5x scale

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.