Finding the Fourth Proportional to 847,158.72, 1,169,070.62 and 459,965.62
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Solution
The fourth proportional to 847,158.72, 1,169,070.62 and 459,965.62 is: 634,747.99
Step by Step Solution
- Step 1: Write the proportion equation
847,158.72 : 1,169,070.62 = 459,965.62 : x - Step 2: Convert to fraction form
847,158.72/1,169,070.62 = 459,965.62/x - Step 3: Cross multiply
847,158.72x = 1,169,070.62 × 459,965.62 - Step 4: Simplify right side
847,158.72x = 537,732,292,552.09 - Step 5: Solve for x
x = 537,732,292,552.09/847,158.72 - Step 6: Final answer
x = 634,747.99
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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.