Finding the Fourth Proportional to 637,694.99, 880,058.85 and 351,215.00
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Solution
The fourth proportional to 637,694.99, 880,058.85 and 351,215.00 is: 484,698.60
Step by Step Solution
- Step 1: Write the proportion equation
637,694.99 : 880,058.85 = 351,215.00 : x - Step 2: Convert to fraction form
637,694.99/880,058.85 = 351,215.00/x - Step 3: Cross multiply
637,694.99x = 880,058.85 × 351,215.00 - Step 4: Simplify right side
637,694.99x = 309,089,864,602.46 - Step 5: Solve for x
x = 309,089,864,602.46/637,694.99 - Step 6: Final answer
x = 484,698.60
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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.