Home / 807,452.80-1,211,179.20-470,147.20

Finding the Fourth Proportional to 807,452.80, 1,211,179.20 and 470,147.20

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Solution

The fourth proportional to 807,452.80, 1,211,179.20 and 470,147.20 is: 705,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,452.80 : 1,211,179.20 = 470,147.20 : x
  2. Step 2: Convert to fraction form
    807,452.80/1,211,179.20 = 470,147.20/x
  3. Step 3: Cross multiply
    807,452.80x = 1,211,179.20 × 470,147.20
  4. Step 4: Simplify right side
    807,452.80x = 569,432,509,578.24
  5. Step 5: Solve for x
    x = 569,432,509,578.24/807,452.80
  6. Step 6: Final answer
    x = 705,220.80

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Double scale
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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.