Home / 886,055.70-1,329,075.63-278,889.81

Finding the Fourth Proportional to 886,055.70, 1,329,075.63 and 278,889.81

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Solution

The fourth proportional to 886,055.70, 1,329,075.63 and 278,889.81 is: 418,332.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,055.70 : 1,329,075.63 = 278,889.81 : x
  2. Step 2: Convert to fraction form
    886,055.70/1,329,075.63 = 278,889.81/x
  3. Step 3: Cross multiply
    886,055.70x = 1,329,075.63 × 278,889.81
  4. Step 4: Simplify right side
    886,055.70x = 370,665,649,926.33
  5. Step 5: Solve for x
    x = 370,665,649,926.33/886,055.70
  6. Step 6: Final answer
    x = 418,332.22

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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.