Home / 943,334.80-1,415,002.20-470,942.80

Finding the Fourth Proportional to 943,334.80, 1,415,002.20 and 470,942.80

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Solution

The fourth proportional to 943,334.80, 1,415,002.20 and 470,942.80 is: 706,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,334.80 : 1,415,002.20 = 470,942.80 : x
  2. Step 2: Convert to fraction form
    943,334.80/1,415,002.20 = 470,942.80/x
  3. Step 3: Cross multiply
    943,334.80x = 1,415,002.20 × 470,942.80
  4. Step 4: Simplify right side
    943,334.80x = 666,385,098,074.16
  5. Step 5: Solve for x
    x = 666,385,098,074.16/943,334.80
  6. Step 6: Final answer
    x = 706,414.20

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Double scale
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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.