Finding the Fourth Proportional to 762,299.84, 1,051,970.81 and 471,853.50
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Solution
The fourth proportional to 762,299.84, 1,051,970.81 and 471,853.50 is: 651,155.99
Step by Step Solution
- Step 1: Write the proportion equation
762,299.84 : 1,051,970.81 = 471,853.50 : x - Step 2: Convert to fraction form
762,299.84/1,051,970.81 = 471,853.50/x - Step 3: Cross multiply
762,299.84x = 1,051,970.81 × 471,853.50 - Step 4: Simplify right side
762,299.84x = 496,376,106,237.07 - Step 5: Solve for x
x = 496,376,106,237.07/762,299.84 - Step 6: Final answer
x = 651,155.99
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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.