Home / 733,880.20-1,100,820.30-509,931.40

Finding the Fourth Proportional to 733,880.20, 1,100,820.30 and 509,931.40

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Solution

The fourth proportional to 733,880.20, 1,100,820.30 and 509,931.40 is: 764,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,880.20 : 1,100,820.30 = 509,931.40 : x
  2. Step 2: Convert to fraction form
    733,880.20/1,100,820.30 = 509,931.40/x
  3. Step 3: Cross multiply
    733,880.20x = 1,100,820.30 × 509,931.40
  4. Step 4: Simplify right side
    733,880.20x = 561,342,836,727.42
  5. Step 5: Solve for x
    x = 561,342,836,727.42/733,880.20
  6. Step 6: Final answer
    x = 764,897.10

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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.