Home / 902,648.61-1,245,643.92-489,176.51

Finding the Fourth Proportional to 902,648.61, 1,245,643.92 and 489,176.51

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Solution

The fourth proportional to 902,648.61, 1,245,643.92 and 489,176.51 is: 675,057.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,648.61 : 1,245,643.92 = 489,176.51 : x
  2. Step 2: Convert to fraction form
    902,648.61/1,245,643.92 = 489,176.51/x
  3. Step 3: Cross multiply
    902,648.61x = 1,245,643.92 × 489,176.51
  4. Step 4: Simplify right side
    902,648.61x = 609,339,739,260.10
  5. Step 5: Solve for x
    x = 609,339,739,260.10/902,648.61
  6. Step 6: Final answer
    x = 675,057.53

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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.