Finding the Fourth Proportional to 460,656.36, 690,749.64 and 345,754.08
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Solution
The fourth proportional to 460,656.36, 690,749.64 and 345,754.08 is: 518,454.81
Step by Step Solution
- Step 1: Write the proportion equation
460,656.36 : 690,749.64 = 345,754.08 : x - Step 2: Convert to fraction form
460,656.36/690,749.64 = 345,754.08/x - Step 3: Cross multiply
460,656.36x = 690,749.64 × 345,754.08 - Step 4: Simplify right side
460,656.36x = 238,829,506,288.53 - Step 5: Solve for x
x = 238,829,506,288.53/460,656.36 - Step 6: Final answer
x = 518,454.81
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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.