Home / 627,264.06-865,561.86-355,277.64

Finding the Fourth Proportional to 627,264.06, 865,561.86 and 355,277.64

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Solution

The fourth proportional to 627,264.06, 865,561.86 and 355,277.64 is: 490,247.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,264.06 : 865,561.86 = 355,277.64 : x
  2. Step 2: Convert to fraction form
    627,264.06/865,561.86 = 355,277.64/x
  3. Step 3: Cross multiply
    627,264.06x = 865,561.86 × 355,277.64
  4. Step 4: Simplify right side
    627,264.06x = 307,514,774,894.81
  5. Step 5: Solve for x
    x = 307,514,774,894.81/627,264.06
  6. Step 6: Final answer
    x = 490,247.72

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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.