Finding the Fourth Proportional to 875,239.13, 1,312,543.08 and 369,839.28
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Solution
The fourth proportional to 875,239.13, 1,312,543.08 and 369,839.28 is: 554,625.55
Step by Step Solution
- Step 1: Write the proportion equation
875,239.13 : 1,312,543.08 = 369,839.28 : x - Step 2: Convert to fraction form
875,239.13/1,312,543.08 = 369,839.28/x - Step 3: Cross multiply
875,239.13x = 1,312,543.08 × 369,839.28 - Step 4: Simplify right side
875,239.13x = 485,429,987,676.18 - Step 5: Solve for x
x = 485,429,987,676.18/875,239.13 - Step 6: Final answer
x = 554,625.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.