Home / 878,033.03-1,316,769.26-278,854.04

Finding the Fourth Proportional to 878,033.03, 1,316,769.26 and 278,854.04

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Solution

The fourth proportional to 878,033.03, 1,316,769.26 and 278,854.04 is: 418,192.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,033.03 : 1,316,769.26 = 278,854.04 : x
  2. Step 2: Convert to fraction form
    878,033.03/1,316,769.26 = 278,854.04/x
  3. Step 3: Cross multiply
    878,033.03x = 1,316,769.26 × 278,854.04
  4. Step 4: Simplify right side
    878,033.03x = 367,186,429,796.46
  5. Step 5: Solve for x
    x = 367,186,429,796.46/878,033.03
  6. Step 6: Final answer
    x = 418,192.05

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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.