Home / 490,254.30-676,477.26-275,353.20

Finding the Fourth Proportional to 490,254.30, 676,477.26 and 275,353.20

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Solution

The fourth proportional to 490,254.30, 676,477.26 and 275,353.20 is: 379,946.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,254.30 : 676,477.26 = 275,353.20 : x
  2. Step 2: Convert to fraction form
    490,254.30/676,477.26 = 275,353.20/x
  3. Step 3: Cross multiply
    490,254.30x = 676,477.26 × 275,353.20
  4. Step 4: Simplify right side
    490,254.30x = 186,270,178,268.23
  5. Step 5: Solve for x
    x = 186,270,178,268.23/490,254.30
  6. Step 6: Final answer
    x = 379,946.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.