Home / 671,139.72-1,006,708.50-460,137.96

Finding the Fourth Proportional to 671,139.72, 1,006,708.50 and 460,137.96

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Solution

The fourth proportional to 671,139.72, 1,006,708.50 and 460,137.96 is: 690,206.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,139.72 : 1,006,708.50 = 460,137.96 : x
  2. Step 2: Convert to fraction form
    671,139.72/1,006,708.50 = 460,137.96/x
  3. Step 3: Cross multiply
    671,139.72x = 1,006,708.50 × 460,137.96
  4. Step 4: Simplify right side
    671,139.72x = 463,224,795,504.66
  5. Step 5: Solve for x
    x = 463,224,795,504.66/671,139.72
  6. Step 6: Final answer
    x = 690,206.20

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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.