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Finding the Fourth Proportional to 550,950.41, 760,317.21 and 309,228.14

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Solution

The fourth proportional to 550,950.41, 760,317.21 and 309,228.14 is: 426,738.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,950.41 : 760,317.21 = 309,228.14 : x
  2. Step 2: Convert to fraction form
    550,950.41/760,317.21 = 309,228.14/x
  3. Step 3: Cross multiply
    550,950.41x = 760,317.21 × 309,228.14
  4. Step 4: Simplify right side
    550,950.41x = 235,111,475,112.15
  5. Step 5: Solve for x
    x = 235,111,475,112.15/550,950.41
  6. Step 6: Final answer
    x = 426,738.00

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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.