Finding the Fourth Proportional to 553,587.57, 764,007.26 and 338,869.53
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Solution
The fourth proportional to 553,587.57, 764,007.26 and 338,869.53 is: 467,674.48
Step by Step Solution
- Step 1: Write the proportion equation
553,587.57 : 764,007.26 = 338,869.53 : x - Step 2: Convert to fraction form
553,587.57/764,007.26 = 338,869.53/x - Step 3: Cross multiply
553,587.57x = 764,007.26 × 338,869.53 - Step 4: Simplify right side
553,587.57x = 258,898,779,418.44 - Step 5: Solve for x
x = 258,898,779,418.44/553,587.57 - Step 6: Final answer
x = 467,674.48
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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.