Home / 488,852.96-674,422.08-284,873.36

Finding the Fourth Proportional to 488,852.96, 674,422.08 and 284,873.36

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Solution

The fourth proportional to 488,852.96, 674,422.08 and 284,873.36 is: 393,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,852.96 : 674,422.08 = 284,873.36 : x
  2. Step 2: Convert to fraction form
    488,852.96/674,422.08 = 284,873.36/x
  3. Step 3: Cross multiply
    488,852.96x = 674,422.08 × 284,873.36
  4. Step 4: Simplify right side
    488,852.96x = 192,124,883,987.79
  5. Step 5: Solve for x
    x = 192,124,883,987.79/488,852.96
  6. Step 6: Final answer
    x = 393,011.60

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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.