Finding the Fourth Proportional to 809,420.30, 1,117,001.64 and 446,844.66
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Solution
The fourth proportional to 809,420.30, 1,117,001.64 and 446,844.66 is: 616,646.53
Step by Step Solution
- Step 1: Write the proportion equation
809,420.30 : 1,117,001.64 = 446,844.66 : x - Step 2: Convert to fraction form
809,420.30/1,117,001.64 = 446,844.66/x - Step 3: Cross multiply
809,420.30x = 1,117,001.64 × 446,844.66 - Step 4: Simplify right side
809,420.30x = 499,126,218,045.24 - Step 5: Solve for x
x = 499,126,218,045.24/809,420.30 - Step 6: Final answer
x = 616,646.53
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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.