Finding the Fourth Proportional to 649,587.13, 896,427.47 and 363,106.81
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Solution
The fourth proportional to 649,587.13, 896,427.47 and 363,106.81 is: 501,085.85
Step by Step Solution
- Step 1: Write the proportion equation
649,587.13 : 896,427.47 = 363,106.81 : x - Step 2: Convert to fraction form
649,587.13/896,427.47 = 363,106.81/x - Step 3: Cross multiply
649,587.13x = 896,427.47 × 363,106.81 - Step 4: Simplify right side
649,587.13x = 325,498,917,212.54 - Step 5: Solve for x
x = 325,498,917,212.54/649,587.13 - Step 6: Final answer
x = 501,085.85
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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.