Home / 850,339.88-1,275,666.78-351,742.76

Finding the Fourth Proportional to 850,339.88, 1,275,666.78 and 351,742.76

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Solution

The fourth proportional to 850,339.88, 1,275,666.78 and 351,742.76 is: 527,679.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,339.88 : 1,275,666.78 = 351,742.76 : x
  2. Step 2: Convert to fraction form
    850,339.88/1,275,666.78 = 351,742.76/x
  3. Step 3: Cross multiply
    850,339.88x = 1,275,666.78 × 351,742.76
  4. Step 4: Simplify right side
    850,339.88x = 448,706,554,037.51
  5. Step 5: Solve for x
    x = 448,706,554,037.51/850,339.88
  6. Step 6: Final answer
    x = 527,679.07

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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.