Finding the Fourth Proportional to 519,854.18, 717,390.86 and 290,414.75
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Solution
The fourth proportional to 519,854.18, 717,390.86 and 290,414.75 is: 400,767.93
Step by Step Solution
- Step 1: Write the proportion equation
519,854.18 : 717,390.86 = 290,414.75 : x - Step 2: Convert to fraction form
519,854.18/717,390.86 = 290,414.75/x - Step 3: Cross multiply
519,854.18x = 717,390.86 × 290,414.75 - Step 4: Simplify right side
519,854.18x = 208,340,882,220.16 - Step 5: Solve for x
x = 208,340,882,220.16/519,854.18 - Step 6: Final answer
x = 400,767.93
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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.