Finding the Fourth Proportional to 705,895.80, 974,135.36 and 383,605.17
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Solution
The fourth proportional to 705,895.80, 974,135.36 and 383,605.17 is: 529,374.68
Step by Step Solution
- Step 1: Write the proportion equation
705,895.80 : 974,135.36 = 383,605.17 : x - Step 2: Convert to fraction form
705,895.80/974,135.36 = 383,605.17/x - Step 3: Cross multiply
705,895.80x = 974,135.36 × 383,605.17 - Step 4: Simplify right side
705,895.80x = 373,683,360,375.81 - Step 5: Solve for x
x = 373,683,360,375.81/705,895.80 - Step 6: Final answer
x = 529,374.68
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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.