Home / 943,345.20-1,415,239.20-312,259

Finding the Fourth Proportional to 943,345.20, 1,415,239.20 and 312,259

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Solution

The fourth proportional to 943,345.20, 1,415,239.20 and 312,259 is: 468,461.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,345.20 : 1,415,239.20 = 312,259 : x
  2. Step 2: Convert to fraction form
    943,345.20/1,415,239.20 = 312,259/x
  3. Step 3: Cross multiply
    943,345.20x = 1,415,239.20 × 312,259
  4. Step 4: Simplify right side
    943,345.20x = 441,921,177,352.80
  5. Step 5: Solve for x
    x = 441,921,177,352.80/943,345.20
  6. Step 6: Final answer
    x = 468,461.79

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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.