Finding the Fourth Proportional to 860,459.92, 1,187,463.36 and 473,291.68
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Solution
The fourth proportional to 860,459.92, 1,187,463.36 and 473,291.68 is: 653,158.29
Step by Step Solution
- Step 1: Write the proportion equation
860,459.92 : 1,187,463.36 = 473,291.68 : x - Step 2: Convert to fraction form
860,459.92/1,187,463.36 = 473,291.68/x - Step 3: Cross multiply
860,459.92x = 1,187,463.36 × 473,291.68 - Step 4: Simplify right side
860,459.92x = 562,016,528,592.85 - Step 5: Solve for x
x = 562,016,528,592.85/860,459.92 - Step 6: Final answer
x = 653,158.29
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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.