Home / 943,983.86-1,415,450.90-312,553.22

Finding the Fourth Proportional to 943,983.86, 1,415,450.90 and 312,553.22

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Solution

The fourth proportional to 943,983.86, 1,415,450.90 and 312,553.22 is: 468,656.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,983.86 : 1,415,450.90 = 312,553.22 : x
  2. Step 2: Convert to fraction form
    943,983.86/1,415,450.90 = 312,553.22/x
  3. Step 3: Cross multiply
    943,983.86x = 1,415,450.90 × 312,553.22
  4. Step 4: Simplify right side
    943,983.86x = 442,403,730,251.03
  5. Step 5: Solve for x
    x = 442,403,730,251.03/943,983.86
  6. Step 6: Final answer
    x = 468,656.03

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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.