Home / 923,861.80-1,385,792.70-545,948.20

Finding the Fourth Proportional to 923,861.80, 1,385,792.70 and 545,948.20

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Solution

The fourth proportional to 923,861.80, 1,385,792.70 and 545,948.20 is: 818,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,861.80 : 1,385,792.70 = 545,948.20 : x
  2. Step 2: Convert to fraction form
    923,861.80/1,385,792.70 = 545,948.20/x
  3. Step 3: Cross multiply
    923,861.80x = 1,385,792.70 × 545,948.20
  4. Step 4: Simplify right side
    923,861.80x = 756,571,030,138.14
  5. Step 5: Solve for x
    x = 756,571,030,138.14/923,861.80
  6. Step 6: Final answer
    x = 818,922.30

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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.