Finding the Fourth Proportional to 611,838.68, 917,776.12 and 292,024.26
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Solution
The fourth proportional to 611,838.68, 917,776.12 and 292,024.26 is: 438,045.03
Step by Step Solution
- Step 1: Write the proportion equation
611,838.68 : 917,776.12 = 292,024.26 : x - Step 2: Convert to fraction form
611,838.68/917,776.12 = 292,024.26/x - Step 3: Cross multiply
611,838.68x = 917,776.12 × 292,024.26 - Step 4: Simplify right side
611,838.68x = 268,012,892,288.67 - Step 5: Solve for x
x = 268,012,892,288.67/611,838.68 - Step 6: Final answer
x = 438,045.03
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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.