Finding the Fourth Proportional to 669,588.74, 924,039.13 and 363,671.09
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Solution
The fourth proportional to 669,588.74, 924,039.13 and 363,671.09 is: 501,869.73
Step by Step Solution
- Step 1: Write the proportion equation
669,588.74 : 924,039.13 = 363,671.09 : x - Step 2: Convert to fraction form
669,588.74/924,039.13 = 363,671.09/x - Step 3: Cross multiply
669,588.74x = 924,039.13 × 363,671.09 - Step 4: Simplify right side
669,588.74x = 336,046,319,010.67 - Step 5: Solve for x
x = 336,046,319,010.67/669,588.74 - Step 6: Final answer
x = 501,869.73
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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.