Home / 379,780.60-524,113.32-210,014.52

Finding the Fourth Proportional to 379,780.60, 524,113.32 and 210,014.52

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Solution

The fourth proportional to 379,780.60, 524,113.32 and 210,014.52 is: 289,828.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,780.60 : 524,113.32 = 210,014.52 : x
  2. Step 2: Convert to fraction form
    379,780.60/524,113.32 = 210,014.52/x
  3. Step 3: Cross multiply
    379,780.60x = 524,113.32 × 210,014.52
  4. Step 4: Simplify right side
    379,780.60x = 110,071,407,325.41
  5. Step 5: Solve for x
    x = 110,071,407,325.41/379,780.60
  6. Step 6: Final answer
    x = 289,828.94

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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.