Home / 908,600.40-1,362,965.40-277,513.20

Finding the Fourth Proportional to 908,600.40, 1,362,965.40 and 277,513.20

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Solution

The fourth proportional to 908,600.40, 1,362,965.40 and 277,513.20 is: 416,289.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,600.40 : 1,362,965.40 = 277,513.20 : x
  2. Step 2: Convert to fraction form
    908,600.40/1,362,965.40 = 277,513.20/x
  3. Step 3: Cross multiply
    908,600.40x = 1,362,965.40 × 277,513.20
  4. Step 4: Simplify right side
    908,600.40x = 378,240,889,643.28
  5. Step 5: Solve for x
    x = 378,240,889,643.28/908,600.40
  6. Step 6: Final answer
    x = 416,289.59

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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.