Home / 718,075.11-1,077,140-268,748.67

Finding the Fourth Proportional to 718,075.11, 1,077,140 and 268,748.67

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Solution

The fourth proportional to 718,075.11, 1,077,140 and 268,748.67 is: 403,133.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,075.11 : 1,077,140 = 268,748.67 : x
  2. Step 2: Convert to fraction form
    718,075.11/1,077,140 = 268,748.67/x
  3. Step 3: Cross multiply
    718,075.11x = 1,077,140 × 268,748.67
  4. Step 4: Simplify right side
    718,075.11x = 289,479,942,403.80
  5. Step 5: Solve for x
    x = 289,479,942,403.80/718,075.11
  6. Step 6: Final answer
    x = 403,133.24

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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.