Home / 457,180.12-630,806.70-275,921.56

Finding the Fourth Proportional to 457,180.12, 630,806.70 and 275,921.56

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Solution

The fourth proportional to 457,180.12, 630,806.70 and 275,921.56 is: 380,710.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,180.12 : 630,806.70 = 275,921.56 : x
  2. Step 2: Convert to fraction form
    457,180.12/630,806.70 = 275,921.56/x
  3. Step 3: Cross multiply
    457,180.12x = 630,806.70 × 275,921.56
  4. Step 4: Simplify right side
    457,180.12x = 174,053,168,722.45
  5. Step 5: Solve for x
    x = 174,053,168,722.45/457,180.12
  6. Step 6: Final answer
    x = 380,710.27

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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.