Finding the Fourth Proportional to 854,242.14, 1,178,878.74 and 472,293.54
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Solution
The fourth proportional to 854,242.14, 1,178,878.74 and 472,293.54 is: 651,778.68
Step by Step Solution
- Step 1: Write the proportion equation
854,242.14 : 1,178,878.74 = 472,293.54 : x - Step 2: Convert to fraction form
854,242.14/1,178,878.74 = 472,293.54/x - Step 3: Cross multiply
854,242.14x = 1,178,878.74 × 472,293.54 - Step 4: Simplify right side
854,242.14x = 556,776,813,345.34 - Step 5: Solve for x
x = 556,776,813,345.34/854,242.14 - Step 6: Final answer
x = 651,778.68
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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.