Finding the Fourth Proportional to 974,385.84, 1,343,985.30 and 635,313.36
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Solution
The fourth proportional to 974,385.84, 1,343,985.30 and 635,313.36 is: 876,297.44
Step by Step Solution
- Step 1: Write the proportion equation
974,385.84 : 1,343,985.30 = 635,313.36 : x - Step 2: Convert to fraction form
974,385.84/1,343,985.30 = 635,313.36/x - Step 3: Cross multiply
974,385.84x = 1,343,985.30 × 635,313.36 - Step 4: Simplify right side
974,385.84x = 853,851,816,733.61 - Step 5: Solve for x
x = 853,851,816,733.61/974,385.84 - Step 6: Final answer
x = 876,297.44
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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.