Finding the Fourth Proportional to 626,832.75, 865,029.20 and 358,560.75
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Solution
The fourth proportional to 626,832.75, 865,029.20 and 358,560.75 is: 494,813.84
Step by Step Solution
- Step 1: Write the proportion equation
626,832.75 : 865,029.20 = 358,560.75 : x - Step 2: Convert to fraction form
626,832.75/865,029.20 = 358,560.75/x - Step 3: Cross multiply
626,832.75x = 865,029.20 × 358,560.75 - Step 4: Simplify right side
626,832.75x = 310,165,516,931.10 - Step 5: Solve for x
x = 310,165,516,931.10/626,832.75 - Step 6: Final answer
x = 494,813.84
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1.5x scale
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.