Home / 850,819.86-1,174,139.28-468,860.31

Finding the Fourth Proportional to 850,819.86, 1,174,139.28 and 468,860.31

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Solution

The fourth proportional to 850,819.86, 1,174,139.28 and 468,860.31 is: 647,031.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,819.86 : 1,174,139.28 = 468,860.31 : x
  2. Step 2: Convert to fraction form
    850,819.86/1,174,139.28 = 468,860.31/x
  3. Step 3: Cross multiply
    850,819.86x = 1,174,139.28 × 468,860.31
  4. Step 4: Simplify right side
    850,819.86x = 550,507,306,803.98
  5. Step 5: Solve for x
    x = 550,507,306,803.98/850,819.86
  6. Step 6: Final answer
    x = 647,031.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.