Home / 837,340.62-1,155,497.85-455,367.84

Finding the Fourth Proportional to 837,340.62, 1,155,497.85 and 455,367.84

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Solution

The fourth proportional to 837,340.62, 1,155,497.85 and 455,367.84 is: 628,390.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,340.62 : 1,155,497.85 = 455,367.84 : x
  2. Step 2: Convert to fraction form
    837,340.62/1,155,497.85 = 455,367.84/x
  3. Step 3: Cross multiply
    837,340.62x = 1,155,497.85 × 455,367.84
  4. Step 4: Simplify right side
    837,340.62x = 526,176,560,079.14
  5. Step 5: Solve for x
    x = 526,176,560,079.14/837,340.62
  6. Step 6: Final answer
    x = 628,390.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.