Home / 868,110.70-1,302,230.85-307,072.30

Finding the Fourth Proportional to 868,110.70, 1,302,230.85 and 307,072.30

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Solution

The fourth proportional to 868,110.70, 1,302,230.85 and 307,072.30 is: 460,631.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,110.70 : 1,302,230.85 = 307,072.30 : x
  2. Step 2: Convert to fraction form
    868,110.70/1,302,230.85 = 307,072.30/x
  3. Step 3: Cross multiply
    868,110.70x = 1,302,230.85 × 307,072.30
  4. Step 4: Simplify right side
    868,110.70x = 399,879,022,240.46
  5. Step 5: Solve for x
    x = 399,879,022,240.46/868,110.70
  6. Step 6: Final answer
    x = 460,631.37

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Double scale
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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.