Home / 890,865.40-1,333,673.70-591,683.80

Finding the Fourth Proportional to 890,865.40, 1,333,673.70 and 591,683.80

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Solution

The fourth proportional to 890,865.40, 1,333,673.70 and 591,683.80 is: 885,782.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,865.40 : 1,333,673.70 = 591,683.80 : x
  2. Step 2: Convert to fraction form
    890,865.40/1,333,673.70 = 591,683.80/x
  3. Step 3: Cross multiply
    890,865.40x = 1,333,673.70 × 591,683.80
  4. Step 4: Simplify right side
    890,865.40x = 789,113,122,776.06
  5. Step 5: Solve for x
    x = 789,113,122,776.06/890,865.40
  6. Step 6: Final answer
    x = 885,782.66

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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.