Finding the Fourth Proportional to 669,685.68, 924,176.18 and 363,768.03
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Solution
The fourth proportional to 669,685.68, 924,176.18 and 363,768.03 is: 502,005.28
Step by Step Solution
- Step 1: Write the proportion equation
669,685.68 : 924,176.18 = 363,768.03 : x - Step 2: Convert to fraction form
669,685.68/924,176.18 = 363,768.03/x - Step 3: Cross multiply
669,685.68x = 924,176.18 × 363,768.03 - Step 4: Simplify right side
669,685.68x = 336,185,749,280.95 - Step 5: Solve for x
x = 336,185,749,280.95/669,685.68 - Step 6: Final answer
x = 502,005.28
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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.