Finding the Fourth Proportional to 560,030.57, 772,840.75 and 305,381.75
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Solution
The fourth proportional to 560,030.57, 772,840.75 and 305,381.75 is: 421,426.03
Step by Step Solution
- Step 1: Write the proportion equation
560,030.57 : 772,840.75 = 305,381.75 : x - Step 2: Convert to fraction form
560,030.57/772,840.75 = 305,381.75/x - Step 3: Cross multiply
560,030.57x = 772,840.75 × 305,381.75 - Step 4: Simplify right side
560,030.57x = 236,011,460,706.31 - Step 5: Solve for x
x = 236,011,460,706.31/560,030.57 - Step 6: Final answer
x = 421,426.03
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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.