Home / 829,082.40-1,241,780.40-718,490.40

Finding the Fourth Proportional to 829,082.40, 1,241,780.40 and 718,490.40

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Solution

The fourth proportional to 829,082.40, 1,241,780.40 and 718,490.40 is: 1,076,138.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,082.40 : 1,241,780.40 = 718,490.40 : x
  2. Step 2: Convert to fraction form
    829,082.40/1,241,780.40 = 718,490.40/x
  3. Step 3: Cross multiply
    829,082.40x = 1,241,780.40 × 718,490.40
  4. Step 4: Simplify right side
    829,082.40x = 892,207,296,308.16
  5. Step 5: Solve for x
    x = 892,207,296,308.16/829,082.40
  6. Step 6: Final answer
    x = 1,076,138.27

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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.