Home / 768,219.56-1,060,143.18-424,055.68

Finding the Fourth Proportional to 768,219.56, 1,060,143.18 and 424,055.68

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Solution

The fourth proportional to 768,219.56, 1,060,143.18 and 424,055.68 is: 585,196.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,219.56 : 1,060,143.18 = 424,055.68 : x
  2. Step 2: Convert to fraction form
    768,219.56/1,060,143.18 = 424,055.68/x
  3. Step 3: Cross multiply
    768,219.56x = 1,060,143.18 × 424,055.68
  4. Step 4: Simplify right side
    768,219.56x = 449,559,737,092.26
  5. Step 5: Solve for x
    x = 449,559,737,092.26/768,219.56
  6. Step 6: Final answer
    x = 585,196.94

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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.