Home / 873,256.77-1,309,442.36-399,536.24

Finding the Fourth Proportional to 873,256.77, 1,309,442.36 and 399,536.24

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Solution

The fourth proportional to 873,256.77, 1,309,442.36 and 399,536.24 is: 599,101.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,256.77 : 1,309,442.36 = 399,536.24 : x
  2. Step 2: Convert to fraction form
    873,256.77/1,309,442.36 = 399,536.24/x
  3. Step 3: Cross multiply
    873,256.77x = 1,309,442.36 × 399,536.24
  4. Step 4: Simplify right side
    873,256.77x = 523,169,668,466.23
  5. Step 5: Solve for x
    x = 523,169,668,466.23/873,256.77
  6. Step 6: Final answer
    x = 599,101.76

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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.