Home / 851,597.30-1,276,310.55-452,429.30

Finding the Fourth Proportional to 851,597.30, 1,276,310.55 and 452,429.30

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Solution

The fourth proportional to 851,597.30, 1,276,310.55 and 452,429.30 is: 678,067.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,597.30 : 1,276,310.55 = 452,429.30 : x
  2. Step 2: Convert to fraction form
    851,597.30/1,276,310.55 = 452,429.30/x
  3. Step 3: Cross multiply
    851,597.30x = 1,276,310.55 × 452,429.30
  4. Step 4: Simplify right side
    851,597.30x = 577,440,288,719.12
  5. Step 5: Solve for x
    x = 577,440,288,719.12/851,597.30
  6. Step 6: Final answer
    x = 678,067.31

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Double scale
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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.