Home / 800,794.81-1,105,021.60-542,145.61

Finding the Fourth Proportional to 800,794.81, 1,105,021.60 and 542,145.61

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Solution

The fourth proportional to 800,794.81, 1,105,021.60 and 542,145.61 is: 748,110.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,794.81 : 1,105,021.60 = 542,145.61 : x
  2. Step 2: Convert to fraction form
    800,794.81/1,105,021.60 = 542,145.61/x
  3. Step 3: Cross multiply
    800,794.81x = 1,105,021.60 × 542,145.61
  4. Step 4: Simplify right side
    800,794.81x = 599,082,609,395.18
  5. Step 5: Solve for x
    x = 599,082,609,395.18/800,794.81
  6. Step 6: Final answer
    x = 748,110.01

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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.