Finding the Fourth Proportional to 637,257.84, 879,312.86 and 365,275.68
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Solution
The fourth proportional to 637,257.84, 879,312.86 and 365,275.68 is: 504,021.42
Step by Step Solution
- Step 1: Write the proportion equation
637,257.84 : 879,312.86 = 365,275.68 : x - Step 2: Convert to fraction form
637,257.84/879,312.86 = 365,275.68/x - Step 3: Cross multiply
637,257.84x = 879,312.86 × 365,275.68 - Step 4: Simplify right side
637,257.84x = 321,191,602,869.25 - Step 5: Solve for x
x = 321,191,602,869.25/637,257.84 - Step 6: Final answer
x = 504,021.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.