Finding the Fourth Proportional to 669,813.75, 924,357.56 and 368,007.75
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Solution
The fourth proportional to 669,813.75, 924,357.56 and 368,007.75 is: 507,858.71
Step by Step Solution
- Step 1: Write the proportion equation
669,813.75 : 924,357.56 = 368,007.75 : x - Step 2: Convert to fraction form
669,813.75/924,357.56 = 368,007.75/x - Step 3: Cross multiply
669,813.75x = 924,357.56 × 368,007.75 - Step 4: Simplify right side
669,813.75x = 340,170,744,011.05 - Step 5: Solve for x
x = 340,170,744,011.05/669,813.75 - Step 6: Final answer
x = 507,858.71
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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.