Home / 917,185.67-1,374,280.33-557,466.55

Finding the Fourth Proportional to 917,185.67, 1,374,280.33 and 557,466.55

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Solution

The fourth proportional to 917,185.67, 1,374,280.33 and 557,466.55 is: 835,289.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,185.67 : 1,374,280.33 = 557,466.55 : x
  2. Step 2: Convert to fraction form
    917,185.67/1,374,280.33 = 557,466.55/x
  3. Step 3: Cross multiply
    917,185.67x = 1,374,280.33 × 557,466.55
  4. Step 4: Simplify right side
    917,185.67x = 766,115,314,297.96
  5. Step 5: Solve for x
    x = 766,115,314,297.96/917,185.67
  6. Step 6: Final answer
    x = 835,289.23

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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.