Home / 873,845.28-1,308,668.40-498,731.04

Finding the Fourth Proportional to 873,845.28, 1,308,668.40 and 498,731.04

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Solution

The fourth proportional to 873,845.28, 1,308,668.40 and 498,731.04 is: 746,898.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,845.28 : 1,308,668.40 = 498,731.04 : x
  2. Step 2: Convert to fraction form
    873,845.28/1,308,668.40 = 498,731.04/x
  3. Step 3: Cross multiply
    873,845.28x = 1,308,668.40 × 498,731.04
  4. Step 4: Simplify right side
    873,845.28x = 652,673,552,147.14
  5. Step 5: Solve for x
    x = 652,673,552,147.14/873,845.28
  6. Step 6: Final answer
    x = 746,898.30

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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.