Home / 380,418.56-524,977.58-210,652.70

Finding the Fourth Proportional to 380,418.56, 524,977.58 and 210,652.70

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Solution

The fourth proportional to 380,418.56, 524,977.58 and 210,652.70 is: 290,700.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,418.56 : 524,977.58 = 210,652.70 : x
  2. Step 2: Convert to fraction form
    380,418.56/524,977.58 = 210,652.70/x
  3. Step 3: Cross multiply
    380,418.56x = 524,977.58 × 210,652.70
  4. Step 4: Simplify right side
    380,418.56x = 110,587,944,666.47
  5. Step 5: Solve for x
    x = 110,587,944,666.47/380,418.56
  6. Step 6: Final answer
    x = 290,700.71

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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.