Finding the Fourth Proportional to 610,671.15, 916,006.73 and 459,112.05
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Solution
The fourth proportional to 610,671.15, 916,006.73 and 459,112.05 is: 688,668.08
Step by Step Solution
- Step 1: Write the proportion equation
610,671.15 : 916,006.73 = 459,112.05 : x - Step 2: Convert to fraction form
610,671.15/916,006.73 = 459,112.05/x - Step 3: Cross multiply
610,671.15x = 916,006.73 × 459,112.05 - Step 4: Simplify right side
610,671.15x = 420,549,725,328.54 - Step 5: Solve for x
x = 420,549,725,328.54/610,671.15 - Step 6: Final answer
x = 688,668.08
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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.