Home / 380,006.32-524,389.56-207,920.56

Finding the Fourth Proportional to 380,006.32, 524,389.56 and 207,920.56

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Solution

The fourth proportional to 380,006.32, 524,389.56 and 207,920.56 is: 286,919.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,006.32 : 524,389.56 = 207,920.56 : x
  2. Step 2: Convert to fraction form
    380,006.32/524,389.56 = 207,920.56/x
  3. Step 3: Cross multiply
    380,006.32x = 524,389.56 × 207,920.56
  4. Step 4: Simplify right side
    380,006.32x = 109,031,370,973.35
  5. Step 5: Solve for x
    x = 109,031,370,973.35/380,006.32
  6. Step 6: Final answer
    x = 286,919.89

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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.