Finding the Fourth Proportional to 971,020.18, 1,340,165.73 and 584,226.55
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Solution
The fourth proportional to 971,020.18, 1,340,165.73 and 584,226.55 is: 806,327.63
Step by Step Solution
- Step 1: Write the proportion equation
971,020.18 : 1,340,165.73 = 584,226.55 : x - Step 2: Convert to fraction form
971,020.18/1,340,165.73 = 584,226.55/x - Step 3: Cross multiply
971,020.18x = 1,340,165.73 × 584,226.55 - Step 4: Simplify right side
971,020.18x = 782,960,400,866.13 - Step 5: Solve for x
x = 782,960,400,866.13/971,020.18 - Step 6: Final answer
x = 806,327.63
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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.