Home / 673,048.51-1,009,769.63-199,746.20

Finding the Fourth Proportional to 673,048.51, 1,009,769.63 and 199,746.20

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Solution

The fourth proportional to 673,048.51, 1,009,769.63 and 199,746.20 is: 299,677.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,048.51 : 1,009,769.63 = 199,746.20 : x
  2. Step 2: Convert to fraction form
    673,048.51/1,009,769.63 = 199,746.20/x
  3. Step 3: Cross multiply
    673,048.51x = 1,009,769.63 × 199,746.20
  4. Step 4: Simplify right side
    673,048.51x = 201,697,647,993.60
  5. Step 5: Solve for x
    x = 201,697,647,993.60/673,048.51
  6. Step 6: Final answer
    x = 299,677.73

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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.