Finding the Fourth Proportional to 515,466.08, 709,726.56 and 468,226.88
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Solution
The fourth proportional to 515,466.08, 709,726.56 and 468,226.88 is: 644,684.62
Step by Step Solution
- Step 1: Write the proportion equation
515,466.08 : 709,726.56 = 468,226.88 : x - Step 2: Convert to fraction form
515,466.08/709,726.56 = 468,226.88/x - Step 3: Cross multiply
515,466.08x = 709,726.56 × 468,226.88 - Step 4: Simplify right side
515,466.08x = 332,313,052,841.93 - Step 5: Solve for x
x = 332,313,052,841.93/515,466.08 - Step 6: Final answer
x = 644,684.62
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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.