Finding the Fourth Proportional to 528,648.12, 729,535.41 and 302,293.62
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Solution
The fourth proportional to 528,648.12, 729,535.41 and 302,293.62 is: 417,165.77
Step by Step Solution
- Step 1: Write the proportion equation
528,648.12 : 729,535.41 = 302,293.62 : x - Step 2: Convert to fraction form
528,648.12/729,535.41 = 302,293.62/x - Step 3: Cross multiply
528,648.12x = 729,535.41 × 302,293.62 - Step 4: Simplify right side
528,648.12x = 220,533,900,007.08 - Step 5: Solve for x
x = 220,533,900,007.08/528,648.12 - Step 6: Final answer
x = 417,165.77
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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.