Home / 774,531.90-1,162,252.53-325,218.21

Finding the Fourth Proportional to 774,531.90, 1,162,252.53 and 325,218.21

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Solution

The fourth proportional to 774,531.90, 1,162,252.53 and 325,218.21 is: 488,018.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,531.90 : 1,162,252.53 = 325,218.21 : x
  2. Step 2: Convert to fraction form
    774,531.90/1,162,252.53 = 325,218.21/x
  3. Step 3: Cross multiply
    774,531.90x = 1,162,252.53 × 325,218.21
  4. Step 4: Simplify right side
    774,531.90x = 377,985,687,374.57
  5. Step 5: Solve for x
    x = 377,985,687,374.57/774,531.90
  6. Step 6: Final answer
    x = 488,018.23

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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.