Finding the Fourth Proportional to 774,606.01, 1,069,056.35 and 435,074.26
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Solution
The fourth proportional to 774,606.01, 1,069,056.35 and 435,074.26 is: 600,458.68
Step by Step Solution
- Step 1: Write the proportion equation
774,606.01 : 1,069,056.35 = 435,074.26 : x - Step 2: Convert to fraction form
774,606.01/1,069,056.35 = 435,074.26/x - Step 3: Cross multiply
774,606.01x = 1,069,056.35 × 435,074.26 - Step 4: Simplify right side
774,606.01x = 465,118,900,374.55 - Step 5: Solve for x
x = 465,118,900,374.55/774,606.01 - Step 6: Final answer
x = 600,458.68
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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.