Finding the Fourth Proportional to 611,833.68, 917,768.62 and 292,019.26
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Solution
The fourth proportional to 611,833.68, 917,768.62 and 292,019.26 is: 438,037.53
Step by Step Solution
- Step 1: Write the proportion equation
611,833.68 : 917,768.62 = 292,019.26 : x - Step 2: Convert to fraction form
611,833.68/917,768.62 = 292,019.26/x - Step 3: Cross multiply
611,833.68x = 917,768.62 × 292,019.26 - Step 4: Simplify right side
611,833.68x = 268,006,113,263.62 - Step 5: Solve for x
x = 268,006,113,263.62/611,833.68 - Step 6: Final answer
x = 438,037.53
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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.