Home / 436,317.80-654,083-303,260.72

Finding the Fourth Proportional to 436,317.80, 654,083 and 303,260.72

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Solution

The fourth proportional to 436,317.80, 654,083 and 303,260.72 is: 454,617.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,317.80 : 654,083 = 303,260.72 : x
  2. Step 2: Convert to fraction form
    436,317.80/654,083 = 303,260.72/x
  3. Step 3: Cross multiply
    436,317.80x = 654,083 × 303,260.72
  4. Step 4: Simplify right side
    436,317.80x = 198,357,681,519.76
  5. Step 5: Solve for x
    x = 198,357,681,519.76/436,317.80
  6. Step 6: Final answer
    x = 454,617.44

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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.