Home / 733,869.20-1,100,803.80-509,920.40

Finding the Fourth Proportional to 733,869.20, 1,100,803.80 and 509,920.40

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Solution

The fourth proportional to 733,869.20, 1,100,803.80 and 509,920.40 is: 764,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,869.20 : 1,100,803.80 = 509,920.40 : x
  2. Step 2: Convert to fraction form
    733,869.20/1,100,803.80 = 509,920.40/x
  3. Step 3: Cross multiply
    733,869.20x = 1,100,803.80 × 509,920.40
  4. Step 4: Simplify right side
    733,869.20x = 561,322,314,017.52
  5. Step 5: Solve for x
    x = 561,322,314,017.52/733,869.20
  6. Step 6: Final answer
    x = 764,880.60

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Similar ratio
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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.