Finding the Fourth Proportional to 561,663.36, 842,705.46 and 291,622.95
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Solution
The fourth proportional to 561,663.36, 842,705.46 and 291,622.95 is: 437,543.68
Step by Step Solution
- Step 1: Write the proportion equation
561,663.36 : 842,705.46 = 291,622.95 : x - Step 2: Convert to fraction form
561,663.36/842,705.46 = 291,622.95/x - Step 3: Cross multiply
561,663.36x = 842,705.46 × 291,622.95 - Step 4: Simplify right side
561,663.36x = 245,752,252,226.31 - Step 5: Solve for x
x = 245,752,252,226.31/561,663.36 - Step 6: Final answer
x = 437,543.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.