Finding the Fourth Proportional to 669,925.50, 924,497.67 and 368,121.66
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Solution
The fourth proportional to 669,925.50, 924,497.67 and 368,121.66 is: 508,008.15
Step by Step Solution
- Step 1: Write the proportion equation
669,925.50 : 924,497.67 = 368,121.66 : x - Step 2: Convert to fraction form
669,925.50/924,497.67 = 368,121.66/x - Step 3: Cross multiply
669,925.50x = 924,497.67 × 368,121.66 - Step 4: Simplify right side
669,925.50x = 340,327,616,946.53 - Step 5: Solve for x
x = 340,327,616,946.53/669,925.50 - Step 6: Final answer
x = 508,008.15
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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.