Home / 672,076.70-1,008,115.05-609,868.70

Finding the Fourth Proportional to 672,076.70, 1,008,115.05 and 609,868.70

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Solution

The fourth proportional to 672,076.70, 1,008,115.05 and 609,868.70 is: 914,803.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,076.70 : 1,008,115.05 = 609,868.70 : x
  2. Step 2: Convert to fraction form
    672,076.70/1,008,115.05 = 609,868.70/x
  3. Step 3: Cross multiply
    672,076.70x = 1,008,115.05 × 609,868.70
  4. Step 4: Simplify right side
    672,076.70x = 614,817,814,993.94
  5. Step 5: Solve for x
    x = 614,817,814,993.94/672,076.70
  6. Step 6: Final answer
    x = 914,803.05

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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.