Home / 733,829.40-1,099,431.90-620,980.20

Finding the Fourth Proportional to 733,829.40, 1,099,431.90 and 620,980.20

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Solution

The fourth proportional to 733,829.40, 1,099,431.90 and 620,980.20 is: 930,359.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,829.40 : 1,099,431.90 = 620,980.20 : x
  2. Step 2: Convert to fraction form
    733,829.40/1,099,431.90 = 620,980.20/x
  3. Step 3: Cross multiply
    733,829.40x = 1,099,431.90 × 620,980.20
  4. Step 4: Simplify right side
    733,829.40x = 682,725,441,148.38
  5. Step 5: Solve for x
    x = 682,725,441,148.38/733,829.40
  6. Step 6: Final answer
    x = 930,359.89

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1.5x scale

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.