Home / 875,828.77-1,208,643.86-493,855.56

Finding the Fourth Proportional to 875,828.77, 1,208,643.86 and 493,855.56

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Solution

The fourth proportional to 875,828.77, 1,208,643.86 and 493,855.56 is: 681,520.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,828.77 : 1,208,643.86 = 493,855.56 : x
  2. Step 2: Convert to fraction form
    875,828.77/1,208,643.86 = 493,855.56/x
  3. Step 3: Cross multiply
    875,828.77x = 1,208,643.86 × 493,855.56
  4. Step 4: Simplify right side
    875,828.77x = 596,895,491,555.50
  5. Step 5: Solve for x
    x = 596,895,491,555.50/875,828.77
  6. Step 6: Final answer
    x = 681,520.76

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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.