Finding the Fourth Proportional to 519,750.87, 717,248.63 and 290,311.42
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Solution
The fourth proportional to 519,750.87, 717,248.63 and 290,311.42 is: 400,625.53
Step by Step Solution
- Step 1: Write the proportion equation
519,750.87 : 717,248.63 = 290,311.42 : x - Step 2: Convert to fraction form
519,750.87/717,248.63 = 290,311.42/x - Step 3: Cross multiply
519,750.87x = 717,248.63 × 290,311.42 - Step 4: Simplify right side
519,750.87x = 208,225,468,268.36 - Step 5: Solve for x
x = 208,225,468,268.36/519,750.87 - Step 6: Final answer
x = 400,625.53
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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.