Home / 380,370.45-524,927.61-210,604.57

Finding the Fourth Proportional to 380,370.45, 524,927.61 and 210,604.57

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Solution

The fourth proportional to 380,370.45, 524,927.61 and 210,604.57 is: 290,643.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,370.45 : 524,927.61 = 210,604.57 : x
  2. Step 2: Convert to fraction form
    380,370.45/524,927.61 = 210,604.57/x
  3. Step 3: Cross multiply
    380,370.45x = 524,927.61 × 210,604.57
  4. Step 4: Simplify right side
    380,370.45x = 110,552,153,585.18
  5. Step 5: Solve for x
    x = 110,552,153,585.18/380,370.45
  6. Step 6: Final answer
    x = 290,643.38

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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.