Home / 988,643.82-1,364,275.44-558,898.32

Finding the Fourth Proportional to 988,643.82, 1,364,275.44 and 558,898.32

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Solution

The fourth proportional to 988,643.82, 1,364,275.44 and 558,898.32 is: 771,249.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,643.82 : 1,364,275.44 = 558,898.32 : x
  2. Step 2: Convert to fraction form
    988,643.82/1,364,275.44 = 558,898.32/x
  3. Step 3: Cross multiply
    988,643.82x = 1,364,275.44 × 558,898.32
  4. Step 4: Simplify right side
    988,643.82x = 762,491,251,433.26
  5. Step 5: Solve for x
    x = 762,491,251,433.26/988,643.82
  6. Step 6: Final answer
    x = 771,249.70

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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.