Home / 498,020.63-747,219.58-298,484.22

Finding the Fourth Proportional to 498,020.63, 747,219.58 and 298,484.22

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Solution

The fourth proportional to 498,020.63, 747,219.58 and 298,484.22 is: 447,839.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,020.63 : 747,219.58 = 298,484.22 : x
  2. Step 2: Convert to fraction form
    498,020.63/747,219.58 = 298,484.22/x
  3. Step 3: Cross multiply
    498,020.63x = 747,219.58 × 298,484.22
  4. Step 4: Simplify right side
    498,020.63x = 223,033,252,012.61
  5. Step 5: Solve for x
    x = 223,033,252,012.61/498,020.63
  6. Step 6: Final answer
    x = 447,839.38

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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.