Home / 873,007.52-1,309,068.32-399,286.96

Finding the Fourth Proportional to 873,007.52, 1,309,068.32 and 399,286.96

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Solution

The fourth proportional to 873,007.52, 1,309,068.32 and 399,286.96 is: 598,727.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,007.52 : 1,309,068.32 = 399,286.96 : x
  2. Step 2: Convert to fraction form
    873,007.52/1,309,068.32 = 399,286.96/x
  3. Step 3: Cross multiply
    873,007.52x = 1,309,068.32 × 399,286.96
  4. Step 4: Simplify right side
    873,007.52x = 522,693,909,925.11
  5. Step 5: Solve for x
    x = 522,693,909,925.11/873,007.52
  6. Step 6: Final answer
    x = 598,727.84

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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.