Home / 917,216.25-1,265,875.15-554,642.73

Finding the Fourth Proportional to 917,216.25, 1,265,875.15 and 554,642.73

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Solution

The fourth proportional to 917,216.25, 1,265,875.15 and 554,642.73 is: 765,477.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,216.25 : 1,265,875.15 = 554,642.73 : x
  2. Step 2: Convert to fraction form
    917,216.25/1,265,875.15 = 554,642.73/x
  3. Step 3: Cross multiply
    917,216.25x = 1,265,875.15 × 554,642.73
  4. Step 4: Simplify right side
    917,216.25x = 702,108,449,035.16
  5. Step 5: Solve for x
    x = 702,108,449,035.16/917,216.25
  6. Step 6: Final answer
    x = 765,477.55

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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.