Home / 550,968.02-760,277.44-309,277.18

Finding the Fourth Proportional to 550,968.02, 760,277.44 and 309,277.18

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Solution

The fourth proportional to 550,968.02, 760,277.44 and 309,277.18 is: 426,769.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,968.02 : 760,277.44 = 309,277.18 : x
  2. Step 2: Convert to fraction form
    550,968.02/760,277.44 = 309,277.18/x
  3. Step 3: Cross multiply
    550,968.02x = 760,277.44 × 309,277.18
  4. Step 4: Simplify right side
    550,968.02x = 235,136,462,660.82
  5. Step 5: Solve for x
    x = 235,136,462,660.82/550,968.02
  6. Step 6: Final answer
    x = 426,769.71

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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.