Home / 988,447.40-1,364,042.60-558,712.40

Finding the Fourth Proportional to 988,447.40, 1,364,042.60 and 558,712.40

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Solution

The fourth proportional to 988,447.40, 1,364,042.60 and 558,712.40 is: 771,014.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,447.40 : 1,364,042.60 = 558,712.40 : x
  2. Step 2: Convert to fraction form
    988,447.40/1,364,042.60 = 558,712.40/x
  3. Step 3: Cross multiply
    988,447.40x = 1,364,042.60 × 558,712.40
  4. Step 4: Simplify right side
    988,447.40x = 762,107,514,748.24
  5. Step 5: Solve for x
    x = 762,107,514,748.24/988,447.40
  6. Step 6: Final answer
    x = 771,014.74

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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.