Home / 550,984.19-760,369.46-309,284.24

Finding the Fourth Proportional to 550,984.19, 760,369.46 and 309,284.24

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Solution

The fourth proportional to 550,984.19, 760,369.46 and 309,284.24 is: 426,818.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,984.19 : 760,369.46 = 309,284.24 : x
  2. Step 2: Convert to fraction form
    550,984.19/760,369.46 = 309,284.24/x
  3. Step 3: Cross multiply
    550,984.19x = 760,369.46 × 309,284.24
  4. Step 4: Simplify right side
    550,984.19x = 235,170,285,207.04
  5. Step 5: Solve for x
    x = 235,170,285,207.04/550,984.19
  6. Step 6: Final answer
    x = 426,818.58

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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.