Finding the Fourth Proportional to 669,922.60, 924,482.70 and 368,110.12
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Solution
The fourth proportional to 669,922.60, 924,482.70 and 368,110.12 is: 507,986.20
Step by Step Solution
- Step 1: Write the proportion equation
669,922.60 : 924,482.70 = 368,110.12 : x - Step 2: Convert to fraction form
669,922.60/924,482.70 = 368,110.12/x - Step 3: Cross multiply
669,922.60x = 924,482.70 × 368,110.12 - Step 4: Simplify right side
669,922.60x = 340,311,437,634.92 - Step 5: Solve for x
x = 340,311,437,634.92/669,922.60 - Step 6: Final answer
x = 507,986.20
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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.