Finding the Fourth Proportional to 936,746.85, 1,405,680.86 and 860,518.28
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Solution
The fourth proportional to 936,746.85, 1,405,680.86 and 860,518.28 is: 1,291,292.37
Step by Step Solution
- Step 1: Write the proportion equation
936,746.85 : 1,405,680.86 = 860,518.28 : x - Step 2: Convert to fraction form
936,746.85/1,405,680.86 = 860,518.28/x - Step 3: Cross multiply
936,746.85x = 1,405,680.86 × 860,518.28 - Step 4: Simplify right side
936,746.85x = 1,209,614,064,545.13 - Step 5: Solve for x
x = 1,209,614,064,545.13/936,746.85 - Step 6: Final answer
x = 1,291,292.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.