Finding the Fourth Proportional to 860,158.12, 1,187,048.64 and 473,003.14
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Solution
The fourth proportional to 860,158.12, 1,187,048.64 and 473,003.14 is: 652,761.07
Step by Step Solution
- Step 1: Write the proportion equation
860,158.12 : 1,187,048.64 = 473,003.14 : x - Step 2: Convert to fraction form
860,158.12/1,187,048.64 = 473,003.14/x - Step 3: Cross multiply
860,158.12x = 1,187,048.64 × 473,003.14 - Step 4: Simplify right side
860,158.12x = 561,477,734,052.73 - Step 5: Solve for x
x = 561,477,734,052.73/860,158.12 - Step 6: Final answer
x = 652,761.07
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1.5x scale
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.