Home / 756,646.64-1,044,145.68-412,475.52

Finding the Fourth Proportional to 756,646.64, 1,044,145.68 and 412,475.52

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Solution

The fourth proportional to 756,646.64, 1,044,145.68 and 412,475.52 is: 569,201.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,646.64 : 1,044,145.68 = 412,475.52 : x
  2. Step 2: Convert to fraction form
    756,646.64/1,044,145.68 = 412,475.52/x
  3. Step 3: Cross multiply
    756,646.64x = 1,044,145.68 × 412,475.52
  4. Step 4: Simplify right side
    756,646.64x = 430,684,532,313.75
  5. Step 5: Solve for x
    x = 430,684,532,313.75/756,646.64
  6. Step 6: Final answer
    x = 569,201.67

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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.