Finding the Fourth Proportional to 519,854.44, 778,007.44 and 435,709.62
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Solution
The fourth proportional to 519,854.44, 778,007.44 and 435,709.62 is: 652,077.39
Step by Step Solution
- Step 1: Write the proportion equation
519,854.44 : 778,007.44 = 435,709.62 : x - Step 2: Convert to fraction form
519,854.44/778,007.44 = 435,709.62/x - Step 3: Cross multiply
519,854.44x = 778,007.44 × 435,709.62 - Step 4: Simplify right side
519,854.44x = 338,985,326,039.57 - Step 5: Solve for x
x = 338,985,326,039.57/519,854.44 - Step 6: Final answer
x = 652,077.39
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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.