Home / 649,246.20-973,869.30-400,068.60

Finding the Fourth Proportional to 649,246.20, 973,869.30 and 400,068.60

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Solution

The fourth proportional to 649,246.20, 973,869.30 and 400,068.60 is: 600,102.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,246.20 : 973,869.30 = 400,068.60 : x
  2. Step 2: Convert to fraction form
    649,246.20/973,869.30 = 400,068.60/x
  3. Step 3: Cross multiply
    649,246.20x = 973,869.30 × 400,068.60
  4. Step 4: Simplify right side
    649,246.20x = 389,614,527,433.98
  5. Step 5: Solve for x
    x = 389,614,527,433.98/649,246.20
  6. Step 6: Final answer
    x = 600,102.90

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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.