Home / 674,410.38-1,011,592.17-168,975.78

Finding the Fourth Proportional to 674,410.38, 1,011,592.17 and 168,975.78

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Solution

The fourth proportional to 674,410.38, 1,011,592.17 and 168,975.78 is: 253,457.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,410.38 : 1,011,592.17 = 168,975.78 : x
  2. Step 2: Convert to fraction form
    674,410.38/1,011,592.17 = 168,975.78/x
  3. Step 3: Cross multiply
    674,410.38x = 1,011,592.17 × 168,975.78
  4. Step 4: Simplify right side
    674,410.38x = 170,934,575,967.64
  5. Step 5: Solve for x
    x = 170,934,575,967.64/674,410.38
  6. Step 6: Final answer
    x = 253,457.81

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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.