Home / 678,341.60-1,017,534.06-341,198.14

Finding the Fourth Proportional to 678,341.60, 1,017,534.06 and 341,198.14

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Solution

The fourth proportional to 678,341.60, 1,017,534.06 and 341,198.14 is: 511,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,341.60 : 1,017,534.06 = 341,198.14 : x
  2. Step 2: Convert to fraction form
    678,341.60/1,017,534.06 = 341,198.14/x
  3. Step 3: Cross multiply
    678,341.60x = 1,017,534.06 × 341,198.14
  4. Step 4: Simplify right side
    678,341.60x = 347,180,728,658.65
  5. Step 5: Solve for x
    x = 347,180,728,658.65/678,341.60
  6. Step 6: Final answer
    x = 511,808.10

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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.