Home / 712,998.27-1,068,777.75-446,945.62

Finding the Fourth Proportional to 712,998.27, 1,068,777.75 and 446,945.62

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Solution

The fourth proportional to 712,998.27, 1,068,777.75 and 446,945.62 is: 669,967.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,998.27 : 1,068,777.75 = 446,945.62 : x
  2. Step 2: Convert to fraction form
    712,998.27/1,068,777.75 = 446,945.62/x
  3. Step 3: Cross multiply
    712,998.27x = 1,068,777.75 × 446,945.62
  4. Step 4: Simplify right side
    712,998.27x = 477,685,536,244.38
  5. Step 5: Solve for x
    x = 477,685,536,244.38/712,998.27
  6. Step 6: Final answer
    x = 669,967.31

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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.