Home / 806,639.26-1,210,706.58-407,560.52

Finding the Fourth Proportional to 806,639.26, 1,210,706.58 and 407,560.52

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Solution

The fourth proportional to 806,639.26, 1,210,706.58 and 407,560.52 is: 611,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,639.26 : 1,210,706.58 = 407,560.52 : x
  2. Step 2: Convert to fraction form
    806,639.26/1,210,706.58 = 407,560.52/x
  3. Step 3: Cross multiply
    806,639.26x = 1,210,706.58 × 407,560.52
  4. Step 4: Simplify right side
    806,639.26x = 493,436,195,220.89
  5. Step 5: Solve for x
    x = 493,436,195,220.89/806,639.26
  6. Step 6: Final answer
    x = 611,718.55

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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.