Home / 520,964.64-718,242.03-375,648.84

Finding the Fourth Proportional to 520,964.64, 718,242.03 and 375,648.84

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Solution

The fourth proportional to 520,964.64, 718,242.03 and 375,648.84 is: 517,898.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,964.64 : 718,242.03 = 375,648.84 : x
  2. Step 2: Convert to fraction form
    520,964.64/718,242.03 = 375,648.84/x
  3. Step 3: Cross multiply
    520,964.64x = 718,242.03 × 375,648.84
  4. Step 4: Simplify right side
    520,964.64x = 269,806,785,408.75
  5. Step 5: Solve for x
    x = 269,806,785,408.75/520,964.64
  6. Step 6: Final answer
    x = 517,898.46

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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.