Home / 762,150.43-1,143,668.40-341,426.30

Finding the Fourth Proportional to 762,150.43, 1,143,668.40 and 341,426.30

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Solution

The fourth proportional to 762,150.43, 1,143,668.40 and 341,426.30 is: 512,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,150.43 : 1,143,668.40 = 341,426.30 : x
  2. Step 2: Convert to fraction form
    762,150.43/1,143,668.40 = 341,426.30/x
  3. Step 3: Cross multiply
    762,150.43x = 1,143,668.40 × 341,426.30
  4. Step 4: Simplify right side
    762,150.43x = 390,478,473,098.09
  5. Step 5: Solve for x
    x = 390,478,473,098.09/762,150.43
  6. Step 6: Final answer
    x = 512,337.80

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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.