Finding the Fourth Proportional to 899,319.99, 1,240,473.92 and 576,518.79
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Solution
The fourth proportional to 899,319.99, 1,240,473.92 and 576,518.79 is: 795,219.20
Step by Step Solution
- Step 1: Write the proportion equation
899,319.99 : 1,240,473.92 = 576,518.79 : x - Step 2: Convert to fraction form
899,319.99/1,240,473.92 = 576,518.79/x - Step 3: Cross multiply
899,319.99x = 1,240,473.92 × 576,518.79 - Step 4: Simplify right side
899,319.99x = 715,156,520,502.36 - Step 5: Solve for x
x = 715,156,520,502.36/899,319.99 - Step 6: Final answer
x = 795,219.20
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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.