Home / 988,804.49-1,483,209.16-278,836.25

Finding the Fourth Proportional to 988,804.49, 1,483,209.16 and 278,836.25

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Solution

The fourth proportional to 988,804.49, 1,483,209.16 and 278,836.25 is: 418,255.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,804.49 : 1,483,209.16 = 278,836.25 : x
  2. Step 2: Convert to fraction form
    988,804.49/1,483,209.16 = 278,836.25/x
  3. Step 3: Cross multiply
    988,804.49x = 1,483,209.16 × 278,836.25
  4. Step 4: Simplify right side
    988,804.49x = 413,572,480,140.05
  5. Step 5: Solve for x
    x = 413,572,480,140.05/988,804.49
  6. Step 6: Final answer
    x = 418,255.06

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1.5x scale

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.