Finding the Fourth Proportional to 495,319.64, 683,541.51 and 280,460.05
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Solution
The fourth proportional to 495,319.64, 683,541.51 and 280,460.05 is: 387,035.09
Step by Step Solution
- Step 1: Write the proportion equation
495,319.64 : 683,541.51 = 280,460.05 : x - Step 2: Convert to fraction form
495,319.64/683,541.51 = 280,460.05/x - Step 3: Cross multiply
495,319.64x = 683,541.51 × 280,460.05 - Step 4: Simplify right side
495,319.64x = 191,706,082,653.97 - Step 5: Solve for x
x = 191,706,082,653.97/495,319.64 - Step 6: Final answer
x = 387,035.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.