Finding the Fourth Proportional to 854,228.74, 1,178,860.26 and 472,280.12
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Solution
The fourth proportional to 854,228.74, 1,178,860.26 and 472,280.12 is: 651,760.17
Step by Step Solution
- Step 1: Write the proportion equation
854,228.74 : 1,178,860.26 = 472,280.12 : x - Step 2: Convert to fraction form
854,228.74/1,178,860.26 = 472,280.12/x - Step 3: Cross multiply
854,228.74x = 1,178,860.26 × 472,280.12 - Step 4: Simplify right side
854,228.74x = 556,752,265,056.03 - Step 5: Solve for x
x = 556,752,265,056.03/854,228.74 - Step 6: Final answer
x = 651,760.17
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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.