Home / 808,932.72-1,116,326.28-446,356.47

Finding the Fourth Proportional to 808,932.72, 1,116,326.28 and 446,356.47

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Solution

The fourth proportional to 808,932.72, 1,116,326.28 and 446,356.47 is: 615,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,932.72 : 1,116,326.28 = 446,356.47 : x
  2. Step 2: Convert to fraction form
    808,932.72/1,116,326.28 = 446,356.47/x
  3. Step 3: Cross multiply
    808,932.72x = 1,116,326.28 × 446,356.47
  4. Step 4: Simplify right side
    808,932.72x = 498,279,457,709.03
  5. Step 5: Solve for x
    x = 498,279,457,709.03/808,932.72
  6. Step 6: Final answer
    x = 615,971.45

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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.