Home / 380,407.82-524,962.76-210,641.94

Finding the Fourth Proportional to 380,407.82, 524,962.76 and 210,641.94

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Solution

The fourth proportional to 380,407.82, 524,962.76 and 210,641.94 is: 290,685.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,407.82 : 524,962.76 = 210,641.94 : x
  2. Step 2: Convert to fraction form
    380,407.82/524,962.76 = 210,641.94/x
  3. Step 3: Cross multiply
    380,407.82x = 524,962.76 × 210,641.94
  4. Step 4: Simplify right side
    380,407.82x = 110,579,173,140.95
  5. Step 5: Solve for x
    x = 110,579,173,140.95/380,407.82
  6. Step 6: Final answer
    x = 290,685.86

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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.