Home / 701,085.80-1,049,555.10-660,074.60

Finding the Fourth Proportional to 701,085.80, 1,049,555.10 and 660,074.60

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Solution

The fourth proportional to 701,085.80, 1,049,555.10 and 660,074.60 is: 988,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,085.80 : 1,049,555.10 = 660,074.60 : x
  2. Step 2: Convert to fraction form
    701,085.80/1,049,555.10 = 660,074.60/x
  3. Step 3: Cross multiply
    701,085.80x = 1,049,555.10 × 660,074.60
  4. Step 4: Simplify right side
    701,085.80x = 692,784,662,810.46
  5. Step 5: Solve for x
    x = 692,784,662,810.46/701,085.80
  6. Step 6: Final answer
    x = 988,159.60

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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.