Finding the Fourth Proportional to 838,772.80, 1,157,498.49 and 456,805.96
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Solution
The fourth proportional to 838,772.80, 1,157,498.49 and 456,805.96 is: 630,387.88
Step by Step Solution
- Step 1: Write the proportion equation
838,772.80 : 1,157,498.49 = 456,805.96 : x - Step 2: Convert to fraction form
838,772.80/1,157,498.49 = 456,805.96/x - Step 3: Cross multiply
838,772.80x = 1,157,498.49 × 456,805.96 - Step 4: Simplify right side
838,772.80x = 528,752,208,923.00 - Step 5: Solve for x
x = 528,752,208,923.00/838,772.80 - Step 6: Final answer
x = 630,387.88
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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.