Finding the Fourth Proportional to 409,827.70, 614,741.55 and 409,827.70
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Solution
The fourth proportional to 409,827.70, 614,741.55 and 409,827.70 is: 614,741.55
Step by Step Solution
- Step 1: Write the proportion equation
409,827.70 : 614,741.55 = 409,827.70 : x - Step 2: Convert to fraction form
409,827.70/614,741.55 = 409,827.70/x - Step 3: Cross multiply
409,827.70x = 614,741.55 × 409,827.70 - Step 4: Simplify right side
409,827.70x = 251,938,115,530.94 - Step 5: Solve for x
x = 251,938,115,530.94/409,827.70 - Step 6: Final answer
x = 614,741.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.