Home / 917,735.90-1,376,630.99-438,014.25

Finding the Fourth Proportional to 917,735.90, 1,376,630.99 and 438,014.25

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Solution

The fourth proportional to 917,735.90, 1,376,630.99 and 438,014.25 is: 657,034.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,735.90 : 1,376,630.99 = 438,014.25 : x
  2. Step 2: Convert to fraction form
    917,735.90/1,376,630.99 = 438,014.25/x
  3. Step 3: Cross multiply
    917,735.90x = 1,376,630.99 × 438,014.25
  4. Step 4: Simplify right side
    917,735.90x = 602,983,990,611.61
  5. Step 5: Solve for x
    x = 602,983,990,611.61/917,735.90
  6. Step 6: Final answer
    x = 657,034.33

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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.