Finding the Fourth Proportional to 628,734.23, 867,653.35 and 342,256.47
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Solution
The fourth proportional to 628,734.23, 867,653.35 and 342,256.47 is: 472,313.99
Step by Step Solution
- Step 1: Write the proportion equation
628,734.23 : 867,653.35 = 342,256.47 : x - Step 2: Convert to fraction form
628,734.23/867,653.35 = 342,256.47/x - Step 3: Cross multiply
628,734.23x = 867,653.35 × 342,256.47 - Step 4: Simplify right side
628,734.23x = 296,959,975,451.08 - Step 5: Solve for x
x = 296,959,975,451.08/628,734.23 - Step 6: Final answer
x = 472,313.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.