Home / 976,679.80-1,463,853.30-408,059.80

Finding the Fourth Proportional to 976,679.80, 1,463,853.30 and 408,059.80

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Solution

The fourth proportional to 976,679.80, 1,463,853.30 and 408,059.80 is: 611,602.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,679.80 : 1,463,853.30 = 408,059.80 : x
  2. Step 2: Convert to fraction form
    976,679.80/1,463,853.30 = 408,059.80/x
  3. Step 3: Cross multiply
    976,679.80x = 1,463,853.30 × 408,059.80
  4. Step 4: Simplify right side
    976,679.80x = 597,339,684,827.34
  5. Step 5: Solve for x
    x = 597,339,684,827.34/976,679.80
  6. Step 6: Final answer
    x = 611,602.37

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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.