Finding the Fourth Proportional to 875,122.98, 1,207,779.69 and 512,685.15
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Solution
The fourth proportional to 875,122.98, 1,207,779.69 and 512,685.15 is: 707,569.94
Step by Step Solution
- Step 1: Write the proportion equation
875,122.98 : 1,207,779.69 = 512,685.15 : x - Step 2: Convert to fraction form
875,122.98/1,207,779.69 = 512,685.15/x - Step 3: Cross multiply
875,122.98x = 1,207,779.69 × 512,685.15 - Step 4: Simplify right side
875,122.98x = 619,210,711,534.60 - Step 5: Solve for x
x = 619,210,711,534.60/875,122.98 - Step 6: Final answer
x = 707,569.94
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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.