Home / 674,597.26-931,059.39-402,679.18

Finding the Fourth Proportional to 674,597.26, 931,059.39 and 402,679.18

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Solution

The fourth proportional to 674,597.26, 931,059.39 and 402,679.18 is: 555,766.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,597.26 : 931,059.39 = 402,679.18 : x
  2. Step 2: Convert to fraction form
    674,597.26/931,059.39 = 402,679.18/x
  3. Step 3: Cross multiply
    674,597.26x = 931,059.39 × 402,679.18
  4. Step 4: Simplify right side
    674,597.26x = 374,918,231,696.50
  5. Step 5: Solve for x
    x = 374,918,231,696.50/674,597.26
  6. Step 6: Final answer
    x = 555,766.02

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Double scale
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1.5x scale

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.