Finding the Fourth Proportional to 563,670.16, 777,894.62 and 309,032.08
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Solution
The fourth proportional to 563,670.16, 777,894.62 and 309,032.08 is: 426,480.61
Step by Step Solution
- Step 1: Write the proportion equation
563,670.16 : 777,894.62 = 309,032.08 : x - Step 2: Convert to fraction form
563,670.16/777,894.62 = 309,032.08/x - Step 3: Cross multiply
563,670.16x = 777,894.62 × 309,032.08 - Step 4: Simplify right side
563,670.16x = 240,394,392,439.41 - Step 5: Solve for x
x = 240,394,392,439.41/563,670.16 - Step 6: Final answer
x = 426,480.61
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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.