Home / 840,411.90-1,260,696.09-334,850.94

Finding the Fourth Proportional to 840,411.90, 1,260,696.09 and 334,850.94

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Solution

The fourth proportional to 840,411.90, 1,260,696.09 and 334,850.94 is: 502,307.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,411.90 : 1,260,696.09 = 334,850.94 : x
  2. Step 2: Convert to fraction form
    840,411.90/1,260,696.09 = 334,850.94/x
  3. Step 3: Cross multiply
    840,411.90x = 1,260,696.09 × 334,850.94
  4. Step 4: Simplify right side
    840,411.90x = 422,145,270,790.83
  5. Step 5: Solve for x
    x = 422,145,270,790.83/840,411.90
  6. Step 6: Final answer
    x = 502,307.58

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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.