Finding the Fourth Proportional to 638,348.70, 956,327.49 and 572,622.06
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Solution
The fourth proportional to 638,348.70, 956,327.49 and 572,622.06 is: 857,860.63
Step by Step Solution
- Step 1: Write the proportion equation
638,348.70 : 956,327.49 = 572,622.06 : x - Step 2: Convert to fraction form
638,348.70/956,327.49 = 572,622.06/x - Step 3: Cross multiply
638,348.70x = 956,327.49 × 572,622.06 - Step 4: Simplify right side
638,348.70x = 547,614,217,358.43 - Step 5: Solve for x
x = 547,614,217,358.43/638,348.70 - Step 6: Final answer
x = 857,860.63
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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.