Home / 678,296.49-1,017,466.46-341,153.13

Finding the Fourth Proportional to 678,296.49, 1,017,466.46 and 341,153.13

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Solution

The fourth proportional to 678,296.49, 1,017,466.46 and 341,153.13 is: 511,740.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,296.49 : 1,017,466.46 = 341,153.13 : x
  2. Step 2: Convert to fraction form
    678,296.49/1,017,466.46 = 341,153.13/x
  3. Step 3: Cross multiply
    678,296.49x = 1,017,466.46 × 341,153.13
  4. Step 4: Simplify right side
    678,296.49x = 347,111,865,793.25
  5. Step 5: Solve for x
    x = 347,111,865,793.25/678,296.49
  6. Step 6: Final answer
    x = 511,740.62

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Double scale
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Similar ratio
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1.5x scale

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.