Home / 948,776.23-1,309,286.10-561,611.62

Finding the Fourth Proportional to 948,776.23, 1,309,286.10 and 561,611.62

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Solution

The fourth proportional to 948,776.23, 1,309,286.10 and 561,611.62 is: 775,009.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,776.23 : 1,309,286.10 = 561,611.62 : x
  2. Step 2: Convert to fraction form
    948,776.23/1,309,286.10 = 561,611.62/x
  3. Step 3: Cross multiply
    948,776.23x = 1,309,286.10 × 561,611.62
  4. Step 4: Simplify right side
    948,776.23x = 735,310,287,664.48
  5. Step 5: Solve for x
    x = 735,310,287,664.48/948,776.23
  6. Step 6: Final answer
    x = 775,009.18

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Double scale
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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.