Home / 470,973.54-649,948.10-256,118.25

Finding the Fourth Proportional to 470,973.54, 649,948.10 and 256,118.25

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Solution

The fourth proportional to 470,973.54, 649,948.10 and 256,118.25 is: 353,445.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,973.54 : 649,948.10 = 256,118.25 : x
  2. Step 2: Convert to fraction form
    470,973.54/649,948.10 = 256,118.25/x
  3. Step 3: Cross multiply
    470,973.54x = 649,948.10 × 256,118.25
  4. Step 4: Simplify right side
    470,973.54x = 166,463,568,682.23
  5. Step 5: Solve for x
    x = 166,463,568,682.23/470,973.54
  6. Step 6: Final answer
    x = 353,445.69

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.