Home / 401,326.11-601,509.38-305,814.35

Finding the Fourth Proportional to 401,326.11, 601,509.38 and 305,814.35

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Solution

The fourth proportional to 401,326.11, 601,509.38 and 305,814.35 is: 458,355.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,326.11 : 601,509.38 = 305,814.35 : x
  2. Step 2: Convert to fraction form
    401,326.11/601,509.38 = 305,814.35/x
  3. Step 3: Cross multiply
    401,326.11x = 601,509.38 × 305,814.35
  4. Step 4: Simplify right side
    401,326.11x = 183,950,200,038.31
  5. Step 5: Solve for x
    x = 183,950,200,038.31/401,326.11
  6. Step 6: Final answer
    x = 458,355.92

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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.