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Finding the Fourth Proportional to 660,706.46, 911,799.93 and 370,323.35

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Solution

The fourth proportional to 660,706.46, 911,799.93 and 370,323.35 is: 511,060.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,706.46 : 911,799.93 = 370,323.35 : x
  2. Step 2: Convert to fraction form
    660,706.46/911,799.93 = 370,323.35/x
  3. Step 3: Cross multiply
    660,706.46x = 911,799.93 × 370,323.35
  4. Step 4: Simplify right side
    660,706.46x = 337,660,804,856.33
  5. Step 5: Solve for x
    x = 337,660,804,856.33/660,706.46
  6. Step 6: Final answer
    x = 511,060.24

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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.