Home / 719,797.05-1,077,431.45-493,836.21

Finding the Fourth Proportional to 719,797.05, 1,077,431.45 and 493,836.21

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Solution

The fourth proportional to 719,797.05, 1,077,431.45 and 493,836.21 is: 739,200.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,797.05 : 1,077,431.45 = 493,836.21 : x
  2. Step 2: Convert to fraction form
    719,797.05/1,077,431.45 = 493,836.21/x
  3. Step 3: Cross multiply
    719,797.05x = 1,077,431.45 × 493,836.21
  4. Step 4: Simplify right side
    719,797.05x = 532,074,661,333.62
  5. Step 5: Solve for x
    x = 532,074,661,333.62/719,797.05
  6. Step 6: Final answer
    x = 739,200.95

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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.