Finding the Fourth Proportional to 860,293.46, 1,187,177.79 and 473,107.68
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Solution
The fourth proportional to 860,293.46, 1,187,177.79 and 473,107.68 is: 652,873.65
Step by Step Solution
- Step 1: Write the proportion equation
860,293.46 : 1,187,177.79 = 473,107.68 : x - Step 2: Convert to fraction form
860,293.46/1,187,177.79 = 473,107.68/x - Step 3: Cross multiply
860,293.46x = 1,187,177.79 × 473,107.68 - Step 4: Simplify right side
860,293.46x = 561,662,927,079.03 - Step 5: Solve for x
x = 561,662,927,079.03/860,293.46 - Step 6: Final answer
x = 652,873.65
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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.