Home / 430,612.40-593,629.26-302,891.60

Finding the Fourth Proportional to 430,612.40, 593,629.26 and 302,891.60

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Solution

The fourth proportional to 430,612.40, 593,629.26 and 302,891.60 is: 417,557.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,612.40 : 593,629.26 = 302,891.60 : x
  2. Step 2: Convert to fraction form
    430,612.40/593,629.26 = 302,891.60/x
  3. Step 3: Cross multiply
    430,612.40x = 593,629.26 × 302,891.60
  4. Step 4: Simplify right side
    430,612.40x = 179,805,316,716.45
  5. Step 5: Solve for x
    x = 179,805,316,716.45/430,612.40
  6. Step 6: Final answer
    x = 417,557.22

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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.