Home / 790,355.32-1,185,656.44-257,752.48

Finding the Fourth Proportional to 790,355.32, 1,185,656.44 and 257,752.48

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Solution

The fourth proportional to 790,355.32, 1,185,656.44 and 257,752.48 is: 386,668.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,355.32 : 1,185,656.44 = 257,752.48 : x
  2. Step 2: Convert to fraction form
    790,355.32/1,185,656.44 = 257,752.48/x
  3. Step 3: Cross multiply
    790,355.32x = 1,185,656.44 × 257,752.48
  4. Step 4: Simplify right side
    790,355.32x = 305,605,887,837.97
  5. Step 5: Solve for x
    x = 305,605,887,837.97/790,355.32
  6. Step 6: Final answer
    x = 386,668.98

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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.