Home / 896,925.75-1,238,261.22-621,683.60

Finding the Fourth Proportional to 896,925.75, 1,238,261.22 and 621,683.60

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Solution

The fourth proportional to 896,925.75, 1,238,261.22 and 621,683.60 is: 858,272.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,925.75 : 1,238,261.22 = 621,683.60 : x
  2. Step 2: Convert to fraction form
    896,925.75/1,238,261.22 = 621,683.60/x
  3. Step 3: Cross multiply
    896,925.75x = 1,238,261.22 × 621,683.60
  4. Step 4: Simplify right side
    896,925.75x = 769,806,692,989.99
  5. Step 5: Solve for x
    x = 769,806,692,989.99/896,925.75
  6. Step 6: Final answer
    x = 858,272.49

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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.