Home / 768,219.58-1,060,143.22-424,055.72

Finding the Fourth Proportional to 768,219.58, 1,060,143.22 and 424,055.72

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Solution

The fourth proportional to 768,219.58, 1,060,143.22 and 424,055.72 is: 585,197.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,219.58 : 1,060,143.22 = 424,055.72 : x
  2. Step 2: Convert to fraction form
    768,219.58/1,060,143.22 = 424,055.72/x
  3. Step 3: Cross multiply
    768,219.58x = 1,060,143.22 × 424,055.72
  4. Step 4: Simplify right side
    768,219.58x = 449,559,796,460.22
  5. Step 5: Solve for x
    x = 449,559,796,460.22/768,219.58
  6. Step 6: Final answer
    x = 585,197.00

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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.