Finding the Fourth Proportional to 528,563.76, 729,394.68 and 302,224.08
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Solution
The fourth proportional to 528,563.76, 729,394.68 and 302,224.08 is: 417,055.90
Step by Step Solution
- Step 1: Write the proportion equation
528,563.76 : 729,394.68 = 302,224.08 : x - Step 2: Convert to fraction form
528,563.76/729,394.68 = 302,224.08/x - Step 3: Cross multiply
528,563.76x = 729,394.68 × 302,224.08 - Step 4: Simplify right side
528,563.76x = 220,440,636,119.89 - Step 5: Solve for x
x = 220,440,636,119.89/528,563.76 - Step 6: Final answer
x = 417,055.90
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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.