Home / 725,510.07-1,088,246.48-193,035.60

Finding the Fourth Proportional to 725,510.07, 1,088,246.48 and 193,035.60

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Solution

The fourth proportional to 725,510.07, 1,088,246.48 and 193,035.60 is: 289,548.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,510.07 : 1,088,246.48 = 193,035.60 : x
  2. Step 2: Convert to fraction form
    725,510.07/1,088,246.48 = 193,035.60/x
  3. Step 3: Cross multiply
    725,510.07x = 1,088,246.48 × 193,035.60
  4. Step 4: Simplify right side
    725,510.07x = 210,070,311,249.51
  5. Step 5: Solve for x
    x = 210,070,311,249.51/725,510.07
  6. Step 6: Final answer
    x = 289,548.44

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Double scale
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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.