Home / 718,139.04-1,077,235.80-268,812.60

Finding the Fourth Proportional to 718,139.04, 1,077,235.80 and 268,812.60

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Solution

The fourth proportional to 718,139.04, 1,077,235.80 and 268,812.60 is: 403,229.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,139.04 : 1,077,235.80 = 268,812.60 : x
  2. Step 2: Convert to fraction form
    718,139.04/1,077,235.80 = 268,812.60/x
  3. Step 3: Cross multiply
    718,139.04x = 1,077,235.80 × 268,812.60
  4. Step 4: Simplify right side
    718,139.04x = 289,574,556,211.08
  5. Step 5: Solve for x
    x = 289,574,556,211.08/718,139.04
  6. Step 6: Final answer
    x = 403,229.10

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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.