Home / 777,501.38-1,166,173.25-208,808.58

Finding the Fourth Proportional to 777,501.38, 1,166,173.25 and 208,808.58

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Solution

The fourth proportional to 777,501.38, 1,166,173.25 and 208,808.58 is: 313,191.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,501.38 : 1,166,173.25 = 208,808.58 : x
  2. Step 2: Convert to fraction form
    777,501.38/1,166,173.25 = 208,808.58/x
  3. Step 3: Cross multiply
    777,501.38x = 1,166,173.25 × 208,808.58
  4. Step 4: Simplify right side
    777,501.38x = 243,506,984,870.14
  5. Step 5: Solve for x
    x = 243,506,984,870.14/777,501.38
  6. Step 6: Final answer
    x = 313,191.71

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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.