Home / 449,140.60-670,273.55-401,217.51

Finding the Fourth Proportional to 449,140.60, 670,273.55 and 401,217.51

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Solution

The fourth proportional to 449,140.60, 670,273.55 and 401,217.51 is: 598,755.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,140.60 : 670,273.55 = 401,217.51 : x
  2. Step 2: Convert to fraction form
    449,140.60/670,273.55 = 401,217.51/x
  3. Step 3: Cross multiply
    449,140.60x = 670,273.55 × 401,217.51
  4. Step 4: Simplify right side
    449,140.60x = 268,925,485,248.42
  5. Step 5: Solve for x
    x = 268,925,485,248.42/449,140.60
  6. Step 6: Final answer
    x = 598,755.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.