Home / 868,114.20-1,302,236.10-307,075.80

Finding the Fourth Proportional to 868,114.20, 1,302,236.10 and 307,075.80

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Solution

The fourth proportional to 868,114.20, 1,302,236.10 and 307,075.80 is: 460,636.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,114.20 : 1,302,236.10 = 307,075.80 : x
  2. Step 2: Convert to fraction form
    868,114.20/1,302,236.10 = 307,075.80/x
  3. Step 3: Cross multiply
    868,114.20x = 1,302,236.10 × 307,075.80
  4. Step 4: Simplify right side
    868,114.20x = 399,885,192,196.38
  5. Step 5: Solve for x
    x = 399,885,192,196.38/868,114.20
  6. Step 6: Final answer
    x = 460,636.62

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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.