Finding the Fourth Proportional to 860,590.26, 1,187,701.65 and 493,116.06
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Solution
The fourth proportional to 860,590.26, 1,187,701.65 and 493,116.06 is: 680,550.07
Step by Step Solution
- Step 1: Write the proportion equation
860,590.26 : 1,187,701.65 = 493,116.06 : x - Step 2: Convert to fraction form
860,590.26/1,187,701.65 = 493,116.06/x - Step 3: Cross multiply
860,590.26x = 1,187,701.65 × 493,116.06 - Step 4: Simplify right side
860,590.26x = 585,674,758,103.50 - Step 5: Solve for x
x = 585,674,758,103.50/860,590.26 - Step 6: Final answer
x = 680,550.07
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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.