Home / 840,966.37-1,261,615.71-308,492.02

Finding the Fourth Proportional to 840,966.37, 1,261,615.71 and 308,492.02

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Solution

The fourth proportional to 840,966.37, 1,261,615.71 and 308,492.02 is: 462,798.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,966.37 : 1,261,615.71 = 308,492.02 : x
  2. Step 2: Convert to fraction form
    840,966.37/1,261,615.71 = 308,492.02/x
  3. Step 3: Cross multiply
    840,966.37x = 1,261,615.71 × 308,492.02
  4. Step 4: Simplify right side
    840,966.37x = 389,198,378,841.63
  5. Step 5: Solve for x
    x = 389,198,378,841.63/840,966.37
  6. Step 6: Final answer
    x = 462,798.98

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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.