Finding the Fourth Proportional to 583,597.63, 805,364.73 and 315,325.63
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Solution
The fourth proportional to 583,597.63, 805,364.73 and 315,325.63 is: 435,149.37
Step by Step Solution
- Step 1: Write the proportion equation
583,597.63 : 805,364.73 = 315,325.63 : x - Step 2: Convert to fraction form
583,597.63/805,364.73 = 315,325.63/x - Step 3: Cross multiply
583,597.63x = 805,364.73 × 315,325.63 - Step 4: Simplify right side
583,597.63x = 253,952,140,867.03 - Step 5: Solve for x
x = 253,952,140,867.03/583,597.63 - Step 6: Final answer
x = 435,149.37
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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.