Finding the Fourth Proportional to 936,234.90, 1,402,509.15 and 869,879.70
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Solution
The fourth proportional to 936,234.90, 1,402,509.15 and 869,879.70 is: 1,303,106.99
Step by Step Solution
- Step 1: Write the proportion equation
936,234.90 : 1,402,509.15 = 869,879.70 : x - Step 2: Convert to fraction form
936,234.90/1,402,509.15 = 869,879.70/x - Step 3: Cross multiply
936,234.90x = 1,402,509.15 × 869,879.70 - Step 4: Simplify right side
936,234.90x = 1,220,014,238,649.25 - Step 5: Solve for x
x = 1,220,014,238,649.25/936,234.90 - Step 6: Final answer
x = 1,303,106.99
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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.