Home / 672,150.90-1,008,226.35-620,829.30

Finding the Fourth Proportional to 672,150.90, 1,008,226.35 and 620,829.30

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Solution

The fourth proportional to 672,150.90, 1,008,226.35 and 620,829.30 is: 931,243.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,150.90 : 1,008,226.35 = 620,829.30 : x
  2. Step 2: Convert to fraction form
    672,150.90/1,008,226.35 = 620,829.30/x
  3. Step 3: Cross multiply
    672,150.90x = 1,008,226.35 × 620,829.30
  4. Step 4: Simplify right side
    672,150.90x = 625,936,459,112.06
  5. Step 5: Solve for x
    x = 625,936,459,112.06/672,150.90
  6. Step 6: Final answer
    x = 931,243.95

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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.