Home / 867,149.50-1,196,666.31-485,250.10

Finding the Fourth Proportional to 867,149.50, 1,196,666.31 and 485,250.10

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Solution

The fourth proportional to 867,149.50, 1,196,666.31 and 485,250.10 is: 669,645.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,149.50 : 1,196,666.31 = 485,250.10 : x
  2. Step 2: Convert to fraction form
    867,149.50/1,196,666.31 = 485,250.10/x
  3. Step 3: Cross multiply
    867,149.50x = 1,196,666.31 × 485,250.10
  4. Step 4: Simplify right side
    867,149.50x = 580,682,446,594.13
  5. Step 5: Solve for x
    x = 580,682,446,594.13/867,149.50
  6. Step 6: Final answer
    x = 669,645.14

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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.