Home / 943,341.94-1,415,234.34-312,255.75

Finding the Fourth Proportional to 943,341.94, 1,415,234.34 and 312,255.75

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Solution

The fourth proportional to 943,341.94, 1,415,234.34 and 312,255.75 is: 468,456.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,341.94 : 1,415,234.34 = 312,255.75 : x
  2. Step 2: Convert to fraction form
    943,341.94/1,415,234.34 = 312,255.75/x
  3. Step 3: Cross multiply
    943,341.94x = 1,415,234.34 × 312,255.75
  4. Step 4: Simplify right side
    943,341.94x = 441,915,060,262.46
  5. Step 5: Solve for x
    x = 441,915,060,262.46/943,341.94
  6. Step 6: Final answer
    x = 468,456.92

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1.5x scale

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.