Home / 786,516.81-1,179,801.33-217,903.62

Finding the Fourth Proportional to 786,516.81, 1,179,801.33 and 217,903.62

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Solution

The fourth proportional to 786,516.81, 1,179,801.33 and 217,903.62 is: 326,862.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,516.81 : 1,179,801.33 = 217,903.62 : x
  2. Step 2: Convert to fraction form
    786,516.81/1,179,801.33 = 217,903.62/x
  3. Step 3: Cross multiply
    786,516.81x = 1,179,801.33 × 217,903.62
  4. Step 4: Simplify right side
    786,516.81x = 257,082,980,687.82
  5. Step 5: Solve for x
    x = 257,082,980,687.82/786,516.81
  6. Step 6: Final answer
    x = 326,862.67

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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.