Finding the Fourth Proportional to 860,291.66, 1,187,232.98 and 473,137.01
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Solution
The fourth proportional to 860,291.66, 1,187,232.98 and 473,137.01 is: 652,945.84
Step by Step Solution
- Step 1: Write the proportion equation
860,291.66 : 1,187,232.98 = 473,137.01 : x - Step 2: Convert to fraction form
860,291.66/1,187,232.98 = 473,137.01/x - Step 3: Cross multiply
860,291.66x = 1,187,232.98 × 473,137.01 - Step 4: Simplify right side
860,291.66x = 561,723,859,964.91 - Step 5: Solve for x
x = 561,723,859,964.91/860,291.66 - Step 6: Final answer
x = 652,945.84
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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.