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Finding the Fourth Proportional to 647,209.06, 893,152.64 and 360,747.29

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Solution

The fourth proportional to 647,209.06, 893,152.64 and 360,747.29 is: 497,833.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,209.06 : 893,152.64 = 360,747.29 : x
  2. Step 2: Convert to fraction form
    647,209.06/893,152.64 = 360,747.29/x
  3. Step 3: Cross multiply
    647,209.06x = 893,152.64 × 360,747.29
  4. Step 4: Simplify right side
    647,209.06x = 322,202,397,571.10
  5. Step 5: Solve for x
    x = 322,202,397,571.10/647,209.06
  6. Step 6: Final answer
    x = 497,833.57

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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.