Finding the Fourth Proportional to 633,471.16, 874,159.14 and 346,992.52
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Solution
The fourth proportional to 633,471.16, 874,159.14 and 346,992.52 is: 478,832.66
Step by Step Solution
- Step 1: Write the proportion equation
633,471.16 : 874,159.14 = 346,992.52 : x - Step 2: Convert to fraction form
633,471.16/874,159.14 = 346,992.52/x - Step 3: Cross multiply
633,471.16x = 874,159.14 × 346,992.52 - Step 4: Simplify right side
633,471.16x = 303,326,682,869.63 - Step 5: Solve for x
x = 303,326,682,869.63/633,471.16 - Step 6: Final answer
x = 478,832.66
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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.