Finding the Fourth Proportional to 493,005.84, 738,376.08 and 313,078.08
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Solution
The fourth proportional to 493,005.84, 738,376.08 and 313,078.08 is: 468,897.82
Step by Step Solution
- Step 1: Write the proportion equation
493,005.84 : 738,376.08 = 313,078.08 : x - Step 2: Convert to fraction form
493,005.84/738,376.08 = 313,078.08/x - Step 3: Cross multiply
493,005.84x = 738,376.08 × 313,078.08 - Step 4: Simplify right side
493,005.84x = 231,169,365,444.33 - Step 5: Solve for x
x = 231,169,365,444.33/493,005.84 - Step 6: Final answer
x = 468,897.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.