Home / 930,118.30-1,394,467.81-424,325.55

Finding the Fourth Proportional to 930,118.30, 1,394,467.81 and 424,325.55

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Solution

The fourth proportional to 930,118.30, 1,394,467.81 and 424,325.55 is: 636,164.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,118.30 : 1,394,467.81 = 424,325.55 : x
  2. Step 2: Convert to fraction form
    930,118.30/1,394,467.81 = 424,325.55/x
  3. Step 3: Cross multiply
    930,118.30x = 1,394,467.81 × 424,325.55
  4. Step 4: Simplify right side
    930,118.30x = 591,708,318,313.92
  5. Step 5: Solve for x
    x = 591,708,318,313.92/930,118.30
  6. Step 6: Final answer
    x = 636,164.58

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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.