Finding the Fourth Proportional to 648,376.06, 893,687.91 and 433,437.70
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Solution
The fourth proportional to 648,376.06, 893,687.91 and 433,437.70 is: 597,428.03
Step by Step Solution
- Step 1: Write the proportion equation
648,376.06 : 893,687.91 = 433,437.70 : x - Step 2: Convert to fraction form
648,376.06/893,687.91 = 433,437.70/x - Step 3: Cross multiply
648,376.06x = 893,687.91 × 433,437.70 - Step 4: Simplify right side
648,376.06x = 387,358,032,228.21 - Step 5: Solve for x
x = 387,358,032,228.21/648,376.06 - Step 6: Final answer
x = 597,428.03
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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.