Finding the Fourth Proportional to 556,946.06, 769,212.47 and 376,403.75
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Solution
The fourth proportional to 556,946.06, 769,212.47 and 376,403.75 is: 519,860.85
Step by Step Solution
- Step 1: Write the proportion equation
556,946.06 : 769,212.47 = 376,403.75 : x - Step 2: Convert to fraction form
556,946.06/769,212.47 = 376,403.75/x - Step 3: Cross multiply
556,946.06x = 769,212.47 × 376,403.75 - Step 4: Simplify right side
556,946.06x = 289,534,455,349.71 - Step 5: Solve for x
x = 289,534,455,349.71/556,946.06 - Step 6: Final answer
x = 519,860.85
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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.