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Finding the Fourth Proportional to 560,852.00, 773,971.76 and 306,203.18

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Solution

The fourth proportional to 560,852.00, 773,971.76 and 306,203.18 is: 422,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,852.00 : 773,971.76 = 306,203.18 : x
  2. Step 2: Convert to fraction form
    560,852.00/773,971.76 = 306,203.18/x
  3. Step 3: Cross multiply
    560,852.00x = 773,971.76 × 306,203.18
  4. Step 4: Simplify right side
    560,852.00x = 236,992,608,741.32
  5. Step 5: Solve for x
    x = 236,992,608,741.32/560,852.00
  6. Step 6: Final answer
    x = 422,558.20

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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.