Finding the Fourth Proportional to 506,765.36, 699,225.12 and 302,785.64
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Solution
The fourth proportional to 506,765.36, 699,225.12 and 302,785.64 is: 417,777.82
Step by Step Solution
- Step 1: Write the proportion equation
506,765.36 : 699,225.12 = 302,785.64 : x - Step 2: Convert to fraction form
506,765.36/699,225.12 = 302,785.64/x - Step 3: Cross multiply
506,765.36x = 699,225.12 × 302,785.64 - Step 4: Simplify right side
506,765.36x = 211,715,325,463.28 - Step 5: Solve for x
x = 211,715,325,463.28/506,765.36 - Step 6: Final answer
x = 417,777.82
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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.