Home / 717,813.60-1,076,749.20-268,488.48

Finding the Fourth Proportional to 717,813.60, 1,076,749.20 and 268,488.48

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Solution

The fourth proportional to 717,813.60, 1,076,749.20 and 268,488.48 is: 402,743.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,813.60 : 1,076,749.20 = 268,488.48 : x
  2. Step 2: Convert to fraction form
    717,813.60/1,076,749.20 = 268,488.48/x
  3. Step 3: Cross multiply
    717,813.60x = 1,076,749.20 × 268,488.48
  4. Step 4: Simplify right side
    717,813.60x = 289,094,756,049.22
  5. Step 5: Solve for x
    x = 289,094,756,049.22/717,813.60
  6. Step 6: Final answer
    x = 402,743.49

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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.