Home / 380,412.05-524,984.45-210,646.17

Finding the Fourth Proportional to 380,412.05, 524,984.45 and 210,646.17

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Solution

The fourth proportional to 380,412.05, 524,984.45 and 210,646.17 is: 290,700.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,412.05 : 524,984.45 = 210,646.17 : x
  2. Step 2: Convert to fraction form
    380,412.05/524,984.45 = 210,646.17/x
  3. Step 3: Cross multiply
    380,412.05x = 524,984.45 × 210,646.17
  4. Step 4: Simplify right side
    380,412.05x = 110,585,962,648.83
  5. Step 5: Solve for x
    x = 110,585,962,648.83/380,412.05
  6. Step 6: Final answer
    x = 290,700.48

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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.