Finding the Fourth Proportional to 809,773.74, 1,117,624.50 and 470,438.82
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Solution
The fourth proportional to 809,773.74, 1,117,624.50 and 470,438.82 is: 649,285.01
Step by Step Solution
- Step 1: Write the proportion equation
809,773.74 : 1,117,624.50 = 470,438.82 : x - Step 2: Convert to fraction form
809,773.74/1,117,624.50 = 470,438.82/x - Step 3: Cross multiply
809,773.74x = 1,117,624.50 × 470,438.82 - Step 4: Simplify right side
809,773.74x = 525,773,950,983.09 - Step 5: Solve for x
x = 525,773,950,983.09/809,773.74 - Step 6: Final answer
x = 649,285.01
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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.