Finding the Fourth Proportional to 403,203.80, 604,805.70 and 403,203.80
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Solution
The fourth proportional to 403,203.80, 604,805.70 and 403,203.80 is: 604,805.70
Step by Step Solution
- Step 1: Write the proportion equation
403,203.80 : 604,805.70 = 403,203.80 : x - Step 2: Convert to fraction form
403,203.80/604,805.70 = 403,203.80/x - Step 3: Cross multiply
403,203.80x = 604,805.70 × 403,203.80 - Step 4: Simplify right side
403,203.80x = 243,859,956,501.66 - Step 5: Solve for x
x = 243,859,956,501.66/403,203.80 - Step 6: Final answer
x = 604,805.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.