Finding the Fourth Proportional to 791,193.98, 1,182,447.28 and 578,409.86
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Solution
The fourth proportional to 791,193.98, 1,182,447.28 and 578,409.86 is: 864,439.29
Step by Step Solution
- Step 1: Write the proportion equation
791,193.98 : 1,182,447.28 = 578,409.86 : x - Step 2: Convert to fraction form
791,193.98/1,182,447.28 = 578,409.86/x - Step 3: Cross multiply
791,193.98x = 1,182,447.28 × 578,409.86 - Step 4: Simplify right side
791,193.98x = 683,939,165,682.18 - Step 5: Solve for x
x = 683,939,165,682.18/791,193.98 - Step 6: Final answer
x = 864,439.29
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.