Finding the Fourth Proportional to 637,655.69, 879,965.57 and 347,267.66
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Solution
The fourth proportional to 637,655.69, 879,965.57 and 347,267.66 is: 479,229.75
Step by Step Solution
- Step 1: Write the proportion equation
637,655.69 : 879,965.57 = 347,267.66 : x - Step 2: Convert to fraction form
637,655.69/879,965.57 = 347,267.66/x - Step 3: Cross multiply
637,655.69x = 879,965.57 × 347,267.66 - Step 4: Simplify right side
637,655.69x = 305,583,580,842.81 - Step 5: Solve for x
x = 305,583,580,842.81/637,655.69 - Step 6: Final answer
x = 479,229.75
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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.