Home / 380,415.96-524,967.57-210,646.44

Finding the Fourth Proportional to 380,415.96, 524,967.57 and 210,646.44

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Solution

The fourth proportional to 380,415.96, 524,967.57 and 210,646.44 is: 290,688.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,415.96 : 524,967.57 = 210,646.44 : x
  2. Step 2: Convert to fraction form
    380,415.96/524,967.57 = 210,646.44/x
  3. Step 3: Cross multiply
    380,415.96x = 524,967.57 × 210,646.44
  4. Step 4: Simplify right side
    380,415.96x = 110,582,549,735.95
  5. Step 5: Solve for x
    x = 110,582,549,735.95/380,415.96
  6. Step 6: Final answer
    x = 290,688.51

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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.