Home / 712,004.70-1,068,007.05-446,583.90

Finding the Fourth Proportional to 712,004.70, 1,068,007.05 and 446,583.90

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Solution

The fourth proportional to 712,004.70, 1,068,007.05 and 446,583.90 is: 669,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,004.70 : 1,068,007.05 = 446,583.90 : x
  2. Step 2: Convert to fraction form
    712,004.70/1,068,007.05 = 446,583.90/x
  3. Step 3: Cross multiply
    712,004.70x = 1,068,007.05 × 446,583.90
  4. Step 4: Simplify right side
    712,004.70x = 476,954,753,616.50
  5. Step 5: Solve for x
    x = 476,954,753,616.50/712,004.70
  6. Step 6: Final answer
    x = 669,875.85

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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.