Home / 988,654.48-1,364,325.12-558,934.74

Finding the Fourth Proportional to 988,654.48, 1,364,325.12 and 558,934.74

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Solution

The fourth proportional to 988,654.48, 1,364,325.12 and 558,934.74 is: 771,319.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,654.48 : 1,364,325.12 = 558,934.74 : x
  2. Step 2: Convert to fraction form
    988,654.48/1,364,325.12 = 558,934.74/x
  3. Step 3: Cross multiply
    988,654.48x = 1,364,325.12 × 558,934.74
  4. Step 4: Simplify right side
    988,654.48x = 762,568,706,222.67
  5. Step 5: Solve for x
    x = 762,568,706,222.67/988,654.48
  6. Step 6: Final answer
    x = 771,319.73

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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.