Home / 873,872.64-1,311,123.57-305,337.39

Finding the Fourth Proportional to 873,872.64, 1,311,123.57 and 305,337.39

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Solution

The fourth proportional to 873,872.64, 1,311,123.57 and 305,337.39 is: 458,116.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,872.64 : 1,311,123.57 = 305,337.39 : x
  2. Step 2: Convert to fraction form
    873,872.64/1,311,123.57 = 305,337.39/x
  3. Step 3: Cross multiply
    873,872.64x = 1,311,123.57 × 305,337.39
  4. Step 4: Simplify right side
    873,872.64x = 400,335,048,831.28
  5. Step 5: Solve for x
    x = 400,335,048,831.28/873,872.64
  6. Step 6: Final answer
    x = 458,116.01

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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.