Finding the Fourth Proportional to 669,797.64, 924,317.08 and 363,871.60
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Solution
The fourth proportional to 669,797.64, 924,317.08 and 363,871.60 is: 502,140.82
Step by Step Solution
- Step 1: Write the proportion equation
669,797.64 : 924,317.08 = 363,871.60 : x - Step 2: Convert to fraction form
669,797.64/924,317.08 = 363,871.60/x - Step 3: Cross multiply
669,797.64x = 924,317.08 × 363,871.60 - Step 4: Simplify right side
669,797.64x = 336,332,734,806.93 - Step 5: Solve for x
x = 336,332,734,806.93/669,797.64 - Step 6: Final answer
x = 502,140.82
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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.