Home / 917,233.80-1,376,069.40-443,529.60

Finding the Fourth Proportional to 917,233.80, 1,376,069.40 and 443,529.60

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Solution

The fourth proportional to 917,233.80, 1,376,069.40 and 443,529.60 is: 665,400.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,233.80 : 1,376,069.40 = 443,529.60 : x
  2. Step 2: Convert to fraction form
    917,233.80/1,376,069.40 = 443,529.60/x
  3. Step 3: Cross multiply
    917,233.80x = 1,376,069.40 × 443,529.60
  4. Step 4: Simplify right side
    917,233.80x = 610,327,510,554.24
  5. Step 5: Solve for x
    x = 610,327,510,554.24/917,233.80
  6. Step 6: Final answer
    x = 665,400.15

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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.