Finding the Fourth Proportional to 847,780.08, 1,169,935.56 and 465,805.92
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Solution
The fourth proportional to 847,780.08, 1,169,935.56 and 465,805.92 is: 642,811.65
Step by Step Solution
- Step 1: Write the proportion equation
847,780.08 : 1,169,935.56 = 465,805.92 : x - Step 2: Convert to fraction form
847,780.08/1,169,935.56 = 465,805.92/x - Step 3: Cross multiply
847,780.08x = 1,169,935.56 × 465,805.92 - Step 4: Simplify right side
847,780.08x = 544,962,909,866.52 - Step 5: Solve for x
x = 544,962,909,866.52/847,780.08 - Step 6: Final answer
x = 642,811.65
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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.