Home / 672,078.70-1,008,118.05-609,870.70

Finding the Fourth Proportional to 672,078.70, 1,008,118.05 and 609,870.70

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Solution

The fourth proportional to 672,078.70, 1,008,118.05 and 609,870.70 is: 914,806.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,078.70 : 1,008,118.05 = 609,870.70 : x
  2. Step 2: Convert to fraction form
    672,078.70/1,008,118.05 = 609,870.70/x
  3. Step 3: Cross multiply
    672,078.70x = 1,008,118.05 × 609,870.70
  4. Step 4: Simplify right side
    672,078.70x = 614,821,660,836.14
  5. Step 5: Solve for x
    x = 614,821,660,836.14/672,078.70
  6. Step 6: Final answer
    x = 914,806.05

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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.