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Finding the Fourth Proportional to 555,605.06, 766,734.26 and 300,957.26

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Solution

The fourth proportional to 555,605.06, 766,734.26 and 300,957.26 is: 415,320.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,605.06 : 766,734.26 = 300,957.26 : x
  2. Step 2: Convert to fraction form
    555,605.06/766,734.26 = 300,957.26/x
  3. Step 3: Cross multiply
    555,605.06x = 766,734.26 × 300,957.26
  4. Step 4: Simplify right side
    555,605.06x = 230,754,242,037.73
  5. Step 5: Solve for x
    x = 230,754,242,037.73/555,605.06
  6. Step 6: Final answer
    x = 415,320.63

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1.5x scale

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.