Home / 718,063.21-1,077,279.36-268,790.55

Finding the Fourth Proportional to 718,063.21, 1,077,279.36 and 268,790.55

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Solution

The fourth proportional to 718,063.21, 1,077,279.36 and 268,790.55 is: 403,254.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,063.21 : 1,077,279.36 = 268,790.55 : x
  2. Step 2: Convert to fraction form
    718,063.21/1,077,279.36 = 268,790.55/x
  3. Step 3: Cross multiply
    718,063.21x = 1,077,279.36 × 268,790.55
  4. Step 4: Simplify right side
    718,063.21x = 289,562,506,291.65
  5. Step 5: Solve for x
    x = 289,562,506,291.65/718,063.21
  6. Step 6: Final answer
    x = 403,254.90

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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.