Finding the Fourth Proportional to 528,045.26, 728,828.49 and 313,309.94
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Solution
The fourth proportional to 528,045.26, 728,828.49 and 313,309.94 is: 432,442.50
Step by Step Solution
- Step 1: Write the proportion equation
528,045.26 : 728,828.49 = 313,309.94 : x - Step 2: Convert to fraction form
528,045.26/728,828.49 = 313,309.94/x - Step 3: Cross multiply
528,045.26x = 728,828.49 × 313,309.94 - Step 4: Simplify right side
528,045.26x = 228,349,210,472.19 - Step 5: Solve for x
x = 228,349,210,472.19/528,045.26 - Step 6: Final answer
x = 432,442.50
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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.