Home / 674,611.20-1,011,916.80-253,981.44

Finding the Fourth Proportional to 674,611.20, 1,011,916.80 and 253,981.44

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Solution

The fourth proportional to 674,611.20, 1,011,916.80 and 253,981.44 is: 380,972.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,611.20 : 1,011,916.80 = 253,981.44 : x
  2. Step 2: Convert to fraction form
    674,611.20/1,011,916.80 = 253,981.44/x
  3. Step 3: Cross multiply
    674,611.20x = 1,011,916.80 × 253,981.44
  4. Step 4: Simplify right side
    674,611.20x = 257,008,086,024.19
  5. Step 5: Solve for x
    x = 257,008,086,024.19/674,611.20
  6. Step 6: Final answer
    x = 380,972.16

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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.