Home / 943,342.70-1,415,235.47-312,256.50

Finding the Fourth Proportional to 943,342.70, 1,415,235.47 and 312,256.50

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Solution

The fourth proportional to 943,342.70, 1,415,235.47 and 312,256.50 is: 468,458.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,342.70 : 1,415,235.47 = 312,256.50 : x
  2. Step 2: Convert to fraction form
    943,342.70/1,415,235.47 = 312,256.50/x
  3. Step 3: Cross multiply
    943,342.70x = 1,415,235.47 × 312,256.50
  4. Step 4: Simplify right side
    943,342.70x = 441,916,472,976.77
  5. Step 5: Solve for x
    x = 441,916,472,976.77/943,342.70
  6. Step 6: Final answer
    x = 468,458.04

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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.