Finding the Fourth Proportional to 583,659.55, 805,313.14 and 354,211.48
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Solution
The fourth proportional to 583,659.55, 805,313.14 and 354,211.48 is: 488,728.68
Step by Step Solution
- Step 1: Write the proportion equation
583,659.55 : 805,313.14 = 354,211.48 : x - Step 2: Convert to fraction form
583,659.55/805,313.14 = 354,211.48/x - Step 3: Cross multiply
583,659.55x = 805,313.14 × 354,211.48 - Step 4: Simplify right side
583,659.55x = 285,251,159,182.85 - Step 5: Solve for x
x = 285,251,159,182.85/583,659.55 - Step 6: Final answer
x = 488,728.68
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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.