Home / 560,855.24-772,867.87-399,425.48

Finding the Fourth Proportional to 560,855.24, 772,867.87 and 399,425.48

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Solution

The fourth proportional to 560,855.24, 772,867.87 and 399,425.48 is: 550,414.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,855.24 : 772,867.87 = 399,425.48 : x
  2. Step 2: Convert to fraction form
    560,855.24/772,867.87 = 399,425.48/x
  3. Step 3: Cross multiply
    560,855.24x = 772,867.87 × 399,425.48
  4. Step 4: Simplify right side
    560,855.24x = 308,703,115,088.43
  5. Step 5: Solve for x
    x = 308,703,115,088.43/560,855.24
  6. Step 6: Final answer
    x = 550,414.97

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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.