Home / 469,293.24-647,454.96-308,235.60

Finding the Fourth Proportional to 469,293.24, 647,454.96 and 308,235.60

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Solution

The fourth proportional to 469,293.24, 647,454.96 and 308,235.60 is: 425,253.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,293.24 : 647,454.96 = 308,235.60 : x
  2. Step 2: Convert to fraction form
    469,293.24/647,454.96 = 308,235.60/x
  3. Step 3: Cross multiply
    469,293.24x = 647,454.96 × 308,235.60
  4. Step 4: Simplify right side
    469,293.24x = 199,568,668,068.58
  5. Step 5: Solve for x
    x = 199,568,668,068.58/469,293.24
  6. Step 6: Final answer
    x = 425,253.66

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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.