Home / 872,880.90-1,309,322.93-273,888.06

Finding the Fourth Proportional to 872,880.90, 1,309,322.93 and 273,888.06

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Solution

The fourth proportional to 872,880.90, 1,309,322.93 and 273,888.06 is: 410,832.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,880.90 : 1,309,322.93 = 273,888.06 : x
  2. Step 2: Convert to fraction form
    872,880.90/1,309,322.93 = 273,888.06/x
  3. Step 3: Cross multiply
    872,880.90x = 1,309,322.93 × 273,888.06
  4. Step 4: Simplify right side
    872,880.90x = 358,607,915,841.78
  5. Step 5: Solve for x
    x = 358,607,915,841.78/872,880.90
  6. Step 6: Final answer
    x = 410,832.58

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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.