Home / 876,653.50-1,209,781.84-474,245.50

Finding the Fourth Proportional to 876,653.50, 1,209,781.84 and 474,245.50

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Solution

The fourth proportional to 876,653.50, 1,209,781.84 and 474,245.50 is: 654,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,653.50 : 1,209,781.84 = 474,245.50 : x
  2. Step 2: Convert to fraction form
    876,653.50/1,209,781.84 = 474,245.50/x
  3. Step 3: Cross multiply
    876,653.50x = 1,209,781.84 × 474,245.50
  4. Step 4: Simplify right side
    876,653.50x = 573,733,593,601.72
  5. Step 5: Solve for x
    x = 573,733,593,601.72/876,653.50
  6. Step 6: Final answer
    x = 654,458.80

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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.