Home / 916,497.90-1,374,418.77-317,298.15

Finding the Fourth Proportional to 916,497.90, 1,374,418.77 and 317,298.15

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Solution

The fourth proportional to 916,497.90, 1,374,418.77 and 317,298.15 is: 475,833.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,497.90 : 1,374,418.77 = 317,298.15 : x
  2. Step 2: Convert to fraction form
    916,497.90/1,374,418.77 = 317,298.15/x
  3. Step 3: Cross multiply
    916,497.90x = 1,374,418.77 × 317,298.15
  4. Step 4: Simplify right side
    916,497.90x = 436,100,533,046.28
  5. Step 5: Solve for x
    x = 436,100,533,046.28/916,497.90
  6. Step 6: Final answer
    x = 475,833.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.