Home / 835,237.88-1,253,041.50-355,440.45

Finding the Fourth Proportional to 835,237.88, 1,253,041.50 and 355,440.45

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Solution

The fourth proportional to 835,237.88, 1,253,041.50 and 355,440.45 is: 533,239.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,237.88 : 1,253,041.50 = 355,440.45 : x
  2. Step 2: Convert to fraction form
    835,237.88/1,253,041.50 = 355,440.45/x
  3. Step 3: Cross multiply
    835,237.88x = 1,253,041.50 × 355,440.45
  4. Step 4: Simplify right side
    835,237.88x = 445,381,634,628.68
  5. Step 5: Solve for x
    x = 445,381,634,628.68/835,237.88
  6. Step 6: Final answer
    x = 533,239.27

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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.