Home / 771,676.47-1,157,574.51-231,890.58

Finding the Fourth Proportional to 771,676.47, 1,157,574.51 and 231,890.58

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Solution

The fourth proportional to 771,676.47, 1,157,574.51 and 231,890.58 is: 347,853.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,676.47 : 1,157,574.51 = 231,890.58 : x
  2. Step 2: Convert to fraction form
    771,676.47/1,157,574.51 = 231,890.58/x
  3. Step 3: Cross multiply
    771,676.47x = 1,157,574.51 × 231,890.58
  4. Step 4: Simplify right side
    771,676.47x = 268,430,624,517.12
  5. Step 5: Solve for x
    x = 268,430,624,517.12/771,676.47
  6. Step 6: Final answer
    x = 347,853.84

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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.