Home / 669,855.20-1,004,782.80-470,400.80

Finding the Fourth Proportional to 669,855.20, 1,004,782.80 and 470,400.80

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Solution

The fourth proportional to 669,855.20, 1,004,782.80 and 470,400.80 is: 705,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,855.20 : 1,004,782.80 = 470,400.80 : x
  2. Step 2: Convert to fraction form
    669,855.20/1,004,782.80 = 470,400.80/x
  3. Step 3: Cross multiply
    669,855.20x = 1,004,782.80 × 470,400.80
  4. Step 4: Simplify right side
    669,855.20x = 472,650,632,946.24
  5. Step 5: Solve for x
    x = 472,650,632,946.24/669,855.20
  6. Step 6: Final answer
    x = 705,601.20

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Similar ratio
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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.