Home / 875,687.76-1,208,421.72-493,709.04

Finding the Fourth Proportional to 875,687.76, 1,208,421.72 and 493,709.04

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Solution

The fourth proportional to 875,687.76, 1,208,421.72 and 493,709.04 is: 681,303.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,687.76 : 1,208,421.72 = 493,709.04 : x
  2. Step 2: Convert to fraction form
    875,687.76/1,208,421.72 = 493,709.04/x
  3. Step 3: Cross multiply
    875,687.76x = 1,208,421.72 × 493,709.04
  4. Step 4: Simplify right side
    875,687.76x = 596,608,727,296.35
  5. Step 5: Solve for x
    x = 596,608,727,296.35/875,687.76
  6. Step 6: Final answer
    x = 681,303.03

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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.