Home / 840,048.94-1,260,071.04-208,962.82

Finding the Fourth Proportional to 840,048.94, 1,260,071.04 and 208,962.82

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Solution

The fourth proportional to 840,048.94, 1,260,071.04 and 208,962.82 is: 313,443.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,048.94 : 1,260,071.04 = 208,962.82 : x
  2. Step 2: Convert to fraction form
    840,048.94/1,260,071.04 = 208,962.82/x
  3. Step 3: Cross multiply
    840,048.94x = 1,260,071.04 × 208,962.82
  4. Step 4: Simplify right side
    840,048.94x = 263,307,997,918.73
  5. Step 5: Solve for x
    x = 263,307,997,918.73/840,048.94
  6. Step 6: Final answer
    x = 313,443.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.