Home / 669,688.20-1,004,532.30-470,233.80

Finding the Fourth Proportional to 669,688.20, 1,004,532.30 and 470,233.80

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Solution

The fourth proportional to 669,688.20, 1,004,532.30 and 470,233.80 is: 705,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,688.20 : 1,004,532.30 = 470,233.80 : x
  2. Step 2: Convert to fraction form
    669,688.20/1,004,532.30 = 470,233.80/x
  3. Step 3: Cross multiply
    669,688.20x = 1,004,532.30 × 470,233.80
  4. Step 4: Simplify right side
    669,688.20x = 472,365,040,651.74
  5. Step 5: Solve for x
    x = 472,365,040,651.74/669,688.20
  6. Step 6: Final answer
    x = 705,350.70

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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.