Home / 673,883.78-1,011,066.33-289,471.13

Finding the Fourth Proportional to 673,883.78, 1,011,066.33 and 289,471.13

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Solution

The fourth proportional to 673,883.78, 1,011,066.33 and 289,471.13 is: 434,310.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,883.78 : 1,011,066.33 = 289,471.13 : x
  2. Step 2: Convert to fraction form
    673,883.78/1,011,066.33 = 289,471.13/x
  3. Step 3: Cross multiply
    673,883.78x = 1,011,066.33 × 289,471.13
  4. Step 4: Simplify right side
    673,883.78x = 292,674,513,050.05
  5. Step 5: Solve for x
    x = 292,674,513,050.05/673,883.78
  6. Step 6: Final answer
    x = 434,310.07

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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.