Home / 828,084.48-1,242,125.34-259,509.36

Finding the Fourth Proportional to 828,084.48, 1,242,125.34 and 259,509.36

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Solution

The fourth proportional to 828,084.48, 1,242,125.34 and 259,509.36 is: 389,263.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,084.48 : 1,242,125.34 = 259,509.36 : x
  2. Step 2: Convert to fraction form
    828,084.48/1,242,125.34 = 259,509.36/x
  3. Step 3: Cross multiply
    828,084.48x = 1,242,125.34 × 259,509.36
  4. Step 4: Simplify right side
    828,084.48x = 322,343,152,023.18
  5. Step 5: Solve for x
    x = 322,343,152,023.18/828,084.48
  6. Step 6: Final answer
    x = 389,263.61

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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.