Home / 867,855.70-1,301,869.11-299,161.93

Finding the Fourth Proportional to 867,855.70, 1,301,869.11 and 299,161.93

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Solution

The fourth proportional to 867,855.70, 1,301,869.11 and 299,161.93 is: 448,772.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,855.70 : 1,301,869.11 = 299,161.93 : x
  2. Step 2: Convert to fraction form
    867,855.70/1,301,869.11 = 299,161.93/x
  3. Step 3: Cross multiply
    867,855.70x = 1,301,869.11 × 299,161.93
  4. Step 4: Simplify right side
    867,855.70x = 389,469,678,809.66
  5. Step 5: Solve for x
    x = 389,469,678,809.66/867,855.70
  6. Step 6: Final answer
    x = 448,772.39

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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.