Finding the Fourth Proportional to 860,657.19, 1,187,562.62 and 478,632.87
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Solution
The fourth proportional to 860,657.19, 1,187,562.62 and 478,632.87 is: 660,433.11
Step by Step Solution
- Step 1: Write the proportion equation
860,657.19 : 1,187,562.62 = 478,632.87 : x - Step 2: Convert to fraction form
860,657.19/1,187,562.62 = 478,632.87/x - Step 3: Cross multiply
860,657.19x = 1,187,562.62 × 478,632.87 - Step 4: Simplify right side
860,657.19x = 568,406,502,722.16 - Step 5: Solve for x
x = 568,406,502,722.16/860,657.19 - Step 6: Final answer
x = 660,433.11
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.