Home / 699,279.94-1,048,630.74-219,347.65

Finding the Fourth Proportional to 699,279.94, 1,048,630.74 and 219,347.65

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Solution

The fourth proportional to 699,279.94, 1,048,630.74 and 219,347.65 is: 328,930.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,279.94 : 1,048,630.74 = 219,347.65 : x
  2. Step 2: Convert to fraction form
    699,279.94/1,048,630.74 = 219,347.65/x
  3. Step 3: Cross multiply
    699,279.94x = 1,048,630.74 × 219,347.65
  4. Step 4: Simplify right side
    699,279.94x = 230,014,688,536.76
  5. Step 5: Solve for x
    x = 230,014,688,536.76/699,279.94
  6. Step 6: Final answer
    x = 328,930.77

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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.