Home / 740,633.81-1,110,950.71-208,208.66

Finding the Fourth Proportional to 740,633.81, 1,110,950.71 and 208,208.66

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Solution

The fourth proportional to 740,633.81, 1,110,950.71 and 208,208.66 is: 312,312.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,633.81 : 1,110,950.71 = 208,208.66 : x
  2. Step 2: Convert to fraction form
    740,633.81/1,110,950.71 = 208,208.66/x
  3. Step 3: Cross multiply
    740,633.81x = 1,110,950.71 × 208,208.66
  4. Step 4: Simplify right side
    740,633.81x = 231,309,552,579.87
  5. Step 5: Solve for x
    x = 231,309,552,579.87/740,633.81
  6. Step 6: Final answer
    x = 312,312.98

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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.