Home / 835,423.76-1,251,450.21-385,519.64

Finding the Fourth Proportional to 835,423.76, 1,251,450.21 and 385,519.64

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Solution

The fourth proportional to 835,423.76, 1,251,450.21 and 385,519.64 is: 577,501.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,423.76 : 1,251,450.21 = 385,519.64 : x
  2. Step 2: Convert to fraction form
    835,423.76/1,251,450.21 = 385,519.64/x
  3. Step 3: Cross multiply
    835,423.76x = 1,251,450.21 × 385,519.64
  4. Step 4: Simplify right side
    835,423.76x = 482,458,634,437.12
  5. Step 5: Solve for x
    x = 482,458,634,437.12/835,423.76
  6. Step 6: Final answer
    x = 577,501.69

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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.