Home / 673,776.78-1,010,665.16-434,628.33

Finding the Fourth Proportional to 673,776.78, 1,010,665.16 and 434,628.33

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Solution

The fourth proportional to 673,776.78, 1,010,665.16 and 434,628.33 is: 651,942.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,776.78 : 1,010,665.16 = 434,628.33 : x
  2. Step 2: Convert to fraction form
    673,776.78/1,010,665.16 = 434,628.33/x
  3. Step 3: Cross multiply
    673,776.78x = 1,010,665.16 × 434,628.33
  4. Step 4: Simplify right side
    673,776.78x = 439,263,706,713.23
  5. Step 5: Solve for x
    x = 439,263,706,713.23/673,776.78
  6. Step 6: Final answer
    x = 651,942.49

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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.