Home / 627,317.33-865,699.04-340,837.74

Finding the Fourth Proportional to 627,317.33, 865,699.04 and 340,837.74

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Solution

The fourth proportional to 627,317.33, 865,699.04 and 340,837.74 is: 470,356.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,317.33 : 865,699.04 = 340,837.74 : x
  2. Step 2: Convert to fraction form
    627,317.33/865,699.04 = 340,837.74/x
  3. Step 3: Cross multiply
    627,317.33x = 865,699.04 × 340,837.74
  4. Step 4: Simplify right side
    627,317.33x = 295,062,905,165.86
  5. Step 5: Solve for x
    x = 295,062,905,165.86/627,317.33
  6. Step 6: Final answer
    x = 470,356.70

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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.