Finding the Fourth Proportional to 495,509.62, 683,494.81 and 412,511.80
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Solution
The fourth proportional to 495,509.62, 683,494.81 and 412,511.80 is: 569,009.49
Step by Step Solution
- Step 1: Write the proportion equation
495,509.62 : 683,494.81 = 412,511.80 : x - Step 2: Convert to fraction form
495,509.62/683,494.81 = 412,511.80/x - Step 3: Cross multiply
495,509.62x = 683,494.81 × 412,511.80 - Step 4: Simplify right side
495,509.62x = 281,949,674,363.76 - Step 5: Solve for x
x = 281,949,674,363.76/495,509.62 - Step 6: Final answer
x = 569,009.49
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1.5x scale
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.