Home / 987,222.81-1,480,834.23-239,268.81

Finding the Fourth Proportional to 987,222.81, 1,480,834.23 and 239,268.81

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Solution

The fourth proportional to 987,222.81, 1,480,834.23 and 239,268.81 is: 358,903.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,222.81 : 1,480,834.23 = 239,268.81 : x
  2. Step 2: Convert to fraction form
    987,222.81/1,480,834.23 = 239,268.81/x
  3. Step 3: Cross multiply
    987,222.81x = 1,480,834.23 × 239,268.81
  4. Step 4: Simplify right side
    987,222.81x = 354,317,444,019.37
  5. Step 5: Solve for x
    x = 354,317,444,019.37/987,222.81
  6. Step 6: Final answer
    x = 358,903.22

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Similar ratio
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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.