Finding the Fourth Proportional to 758,929.96, 1,047,234.18 and 419,377.96
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Solution
The fourth proportional to 758,929.96, 1,047,234.18 and 419,377.96 is: 578,692.31
Step by Step Solution
- Step 1: Write the proportion equation
758,929.96 : 1,047,234.18 = 419,377.96 : x - Step 2: Convert to fraction form
758,929.96/1,047,234.18 = 419,377.96/x - Step 3: Cross multiply
758,929.96x = 1,047,234.18 × 419,377.96 - Step 4: Simplify right side
758,929.96x = 439,186,934,050.67 - Step 5: Solve for x
x = 439,186,934,050.67/758,929.96 - Step 6: Final answer
x = 578,692.31
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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.