Home / 740,738.16-1,111,172.86-208,263.82

Finding the Fourth Proportional to 740,738.16, 1,111,172.86 and 208,263.82

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Solution

The fourth proportional to 740,738.16, 1,111,172.86 and 208,263.82 is: 312,414.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,738.16 : 1,111,172.86 = 208,263.82 : x
  2. Step 2: Convert to fraction form
    740,738.16/1,111,172.86 = 208,263.82/x
  3. Step 3: Cross multiply
    740,738.16x = 1,111,172.86 × 208,263.82
  4. Step 4: Simplify right side
    740,738.16x = 231,417,104,503.93
  5. Step 5: Solve for x
    x = 231,417,104,503.93/740,738.16
  6. Step 6: Final answer
    x = 312,414.18

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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.