Home / 654,911.73-903,447.37-382,801.85

Finding the Fourth Proportional to 654,911.73, 903,447.37 and 382,801.85

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Solution

The fourth proportional to 654,911.73, 903,447.37 and 382,801.85 is: 528,073.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,911.73 : 903,447.37 = 382,801.85 : x
  2. Step 2: Convert to fraction form
    654,911.73/903,447.37 = 382,801.85/x
  3. Step 3: Cross multiply
    654,911.73x = 903,447.37 × 382,801.85
  4. Step 4: Simplify right side
    654,911.73x = 345,841,323,962.83
  5. Step 5: Solve for x
    x = 345,841,323,962.83/654,911.73
  6. Step 6: Final answer
    x = 528,073.19

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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.