Home / 1,543,504.72-2,315,344.56-478,698.16

Finding the Fourth Proportional to 1,543,504.72, 2,315,344.56 and 478,698.16

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Solution

The fourth proportional to 1,543,504.72, 2,315,344.56 and 478,698.16 is: 718,074.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,504.72 : 2,315,344.56 = 478,698.16 : x
  2. Step 2: Convert to fraction form
    1,543,504.72/2,315,344.56 = 478,698.16/x
  3. Step 3: Cross multiply
    1,543,504.72x = 2,315,344.56 × 478,698.16
  4. Step 4: Simplify right side
    1,543,504.72x = 1,108,351,180,638.01
  5. Step 5: Solve for x
    x = 1,108,351,180,638.01/1,543,504.72
  6. Step 6: Final answer
    x = 718,074.37

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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.