Home / 740,255.50-1,110,392.34-260,497.63

Finding the Fourth Proportional to 740,255.50, 1,110,392.34 and 260,497.63

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Solution

The fourth proportional to 740,255.50, 1,110,392.34 and 260,497.63 is: 390,749.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,255.50 : 1,110,392.34 = 260,497.63 : x
  2. Step 2: Convert to fraction form
    740,255.50/1,110,392.34 = 260,497.63/x
  3. Step 3: Cross multiply
    740,255.50x = 1,110,392.34 × 260,497.63
  4. Step 4: Simplify right side
    740,255.50x = 289,254,572,940.15
  5. Step 5: Solve for x
    x = 289,254,572,940.15/740,255.50
  6. Step 6: Final answer
    x = 390,749.64

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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.