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Finding the Fourth Proportional to 654,502.63, 903,180.63 and 368,005.63

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Solution

The fourth proportional to 654,502.63, 903,180.63 and 368,005.63 is: 507,829.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,502.63 : 903,180.63 = 368,005.63 : x
  2. Step 2: Convert to fraction form
    654,502.63/903,180.63 = 368,005.63/x
  3. Step 3: Cross multiply
    654,502.63x = 903,180.63 × 368,005.63
  4. Step 4: Simplify right side
    654,502.63x = 332,375,556,746.95
  5. Step 5: Solve for x
    x = 332,375,556,746.95/654,502.63
  6. Step 6: Final answer
    x = 507,829.21

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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.