Home / 746,494.40-1,119,741.60-409,404.80

Finding the Fourth Proportional to 746,494.40, 1,119,741.60 and 409,404.80

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Solution

The fourth proportional to 746,494.40, 1,119,741.60 and 409,404.80 is: 614,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,494.40 : 1,119,741.60 = 409,404.80 : x
  2. Step 2: Convert to fraction form
    746,494.40/1,119,741.60 = 409,404.80/x
  3. Step 3: Cross multiply
    746,494.40x = 1,119,741.60 × 409,404.80
  4. Step 4: Simplify right side
    746,494.40x = 458,427,585,799.68
  5. Step 5: Solve for x
    x = 458,427,585,799.68/746,494.40
  6. Step 6: Final answer
    x = 614,107.20

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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.