Home / 837,342.40-1,256,305.20-364,367.20

Finding the Fourth Proportional to 837,342.40, 1,256,305.20 and 364,367.20

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Solution

The fourth proportional to 837,342.40, 1,256,305.20 and 364,367.20 is: 546,677.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,342.40 : 1,256,305.20 = 364,367.20 : x
  2. Step 2: Convert to fraction form
    837,342.40/1,256,305.20 = 364,367.20/x
  3. Step 3: Cross multiply
    837,342.40x = 1,256,305.20 × 364,367.20
  4. Step 4: Simplify right side
    837,342.40x = 457,756,408,069.44
  5. Step 5: Solve for x
    x = 457,756,408,069.44/837,342.40
  6. Step 6: Final answer
    x = 546,677.69

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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.