Finding the Fourth Proportional to 556,708.56, 768,237.18 and 302,054.28
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Solution
The fourth proportional to 556,708.56, 768,237.18 and 302,054.28 is: 416,823.71
Step by Step Solution
- Step 1: Write the proportion equation
556,708.56 : 768,237.18 = 302,054.28 : x - Step 2: Convert to fraction form
556,708.56/768,237.18 = 302,054.28/x - Step 3: Cross multiply
556,708.56x = 768,237.18 × 302,054.28 - Step 4: Simplify right side
556,708.56x = 232,049,328,274.13 - Step 5: Solve for x
x = 232,049,328,274.13/556,708.56 - Step 6: Final answer
x = 416,823.71
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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.