Home / 779,597.81-1,169,396.77-188,621.81

Finding the Fourth Proportional to 779,597.81, 1,169,396.77 and 188,621.81

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Solution

The fourth proportional to 779,597.81, 1,169,396.77 and 188,621.81 is: 282,932.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,597.81 : 1,169,396.77 = 188,621.81 : x
  2. Step 2: Convert to fraction form
    779,597.81/1,169,396.77 = 188,621.81/x
  3. Step 3: Cross multiply
    779,597.81x = 1,169,396.77 × 188,621.81
  4. Step 4: Simplify right side
    779,597.81x = 220,573,737,817.49
  5. Step 5: Solve for x
    x = 220,573,737,817.49/779,597.81
  6. Step 6: Final answer
    x = 282,932.73

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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.