Home / 798,520.84-1,196,784.46-399,275.78

Finding the Fourth Proportional to 798,520.84, 1,196,784.46 and 399,275.78

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Solution

The fourth proportional to 798,520.84, 1,196,784.46 and 399,275.78 is: 598,415.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,520.84 : 1,196,784.46 = 399,275.78 : x
  2. Step 2: Convert to fraction form
    798,520.84/1,196,784.46 = 399,275.78/x
  3. Step 3: Cross multiply
    798,520.84x = 1,196,784.46 × 399,275.78
  4. Step 4: Simplify right side
    798,520.84x = 477,847,048,758.38
  5. Step 5: Solve for x
    x = 477,847,048,758.38/798,520.84
  6. Step 6: Final answer
    x = 598,415.25

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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.