Finding the Fourth Proportional to 847,277.28, 1,169,250.72 and 465,312
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Solution
The fourth proportional to 847,277.28, 1,169,250.72 and 465,312 is: 642,134.99
Step by Step Solution
- Step 1: Write the proportion equation
847,277.28 : 1,169,250.72 = 465,312 : x - Step 2: Convert to fraction form
847,277.28/1,169,250.72 = 465,312/x - Step 3: Cross multiply
847,277.28x = 1,169,250.72 × 465,312 - Step 4: Simplify right side
847,277.28x = 544,066,391,024.64 - Step 5: Solve for x
x = 544,066,391,024.64/847,277.28 - Step 6: Final answer
x = 642,134.99
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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.