Finding the Fourth Proportional to 838,384.08, 1,157,129.46 and 475,841.88
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Solution
The fourth proportional to 838,384.08, 1,157,129.46 and 475,841.88 is: 656,752.28
Step by Step Solution
- Step 1: Write the proportion equation
838,384.08 : 1,157,129.46 = 475,841.88 : x - Step 2: Convert to fraction form
838,384.08/1,157,129.46 = 475,841.88/x - Step 3: Cross multiply
838,384.08x = 1,157,129.46 × 475,841.88 - Step 4: Simplify right side
838,384.08x = 550,610,657,649.79 - Step 5: Solve for x
x = 550,610,657,649.79/838,384.08 - Step 6: Final answer
x = 656,752.28
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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.