Home / 877,540.10-1,315,273.35-372,100.10

Finding the Fourth Proportional to 877,540.10, 1,315,273.35 and 372,100.10

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Solution

The fourth proportional to 877,540.10, 1,315,273.35 and 372,100.10 is: 557,710.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,540.10 : 1,315,273.35 = 372,100.10 : x
  2. Step 2: Convert to fraction form
    877,540.10/1,315,273.35 = 372,100.10/x
  3. Step 3: Cross multiply
    877,540.10x = 1,315,273.35 × 372,100.10
  4. Step 4: Simplify right side
    877,540.10x = 489,413,345,062.34
  5. Step 5: Solve for x
    x = 489,413,345,062.34/877,540.10
  6. Step 6: Final answer
    x = 557,710.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.