Home / 971,405.06-1,339,932.93-627,108.62

Finding the Fourth Proportional to 971,405.06, 1,339,932.93 and 627,108.62

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Solution

The fourth proportional to 971,405.06, 1,339,932.93 and 627,108.62 is: 865,018.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,405.06 : 1,339,932.93 = 627,108.62 : x
  2. Step 2: Convert to fraction form
    971,405.06/1,339,932.93 = 627,108.62/x
  3. Step 3: Cross multiply
    971,405.06x = 1,339,932.93 × 627,108.62
  4. Step 4: Simplify right side
    971,405.06x = 840,283,490,624.86
  5. Step 5: Solve for x
    x = 840,283,490,624.86/971,405.06
  6. Step 6: Final answer
    x = 865,018.65

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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.