Home / 490,298.10-676,607.29-275,433.55

Finding the Fourth Proportional to 490,298.10, 676,607.29 and 275,433.55

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Solution

The fourth proportional to 490,298.10, 676,607.29 and 275,433.55 is: 380,096.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,298.10 : 676,607.29 = 275,433.55 : x
  2. Step 2: Convert to fraction form
    490,298.10/676,607.29 = 275,433.55/x
  3. Step 3: Cross multiply
    490,298.10x = 676,607.29 × 275,433.55
  4. Step 4: Simplify right side
    490,298.10x = 186,360,347,009.79
  5. Step 5: Solve for x
    x = 186,360,347,009.79/490,298.10
  6. Step 6: Final answer
    x = 380,096.00

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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.