Home / 740,894.76-1,111,212.72-208,289.34

Finding the Fourth Proportional to 740,894.76, 1,111,212.72 and 208,289.34

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Solution

The fourth proportional to 740,894.76, 1,111,212.72 and 208,289.34 is: 312,397.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,894.76 : 1,111,212.72 = 208,289.34 : x
  2. Step 2: Convert to fraction form
    740,894.76/1,111,212.72 = 208,289.34/x
  3. Step 3: Cross multiply
    740,894.76x = 1,111,212.72 × 208,289.34
  4. Step 4: Simplify right side
    740,894.76x = 231,453,764,048.41
  5. Step 5: Solve for x
    x = 231,453,764,048.41/740,894.76
  6. Step 6: Final answer
    x = 312,397.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.