Finding the Fourth Proportional to 669,578.40, 924,177.60 and 383,263.92
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Solution
The fourth proportional to 669,578.40, 924,177.60 and 383,263.92 is: 528,995.45
Step by Step Solution
- Step 1: Write the proportion equation
669,578.40 : 924,177.60 = 383,263.92 : x - Step 2: Convert to fraction form
669,578.40/924,177.60 = 383,263.92/x - Step 3: Cross multiply
669,578.40x = 924,177.60 × 383,263.92 - Step 4: Simplify right side
669,578.40x = 354,203,929,752.19 - Step 5: Solve for x
x = 354,203,929,752.19/669,578.40 - Step 6: Final answer
x = 528,995.45
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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.