Finding the Fourth Proportional to 519,745.08, 717,226.79 and 290,301.30
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Solution
The fourth proportional to 519,745.08, 717,226.79 and 290,301.30 is: 400,603.82
Step by Step Solution
- Step 1: Write the proportion equation
519,745.08 : 717,226.79 = 290,301.30 : x - Step 2: Convert to fraction form
519,745.08/717,226.79 = 290,301.30/x - Step 3: Cross multiply
519,745.08x = 717,226.79 × 290,301.30 - Step 4: Simplify right side
519,745.08x = 208,211,868,080.32 - Step 5: Solve for x
x = 208,211,868,080.32/519,745.08 - Step 6: Final answer
x = 400,603.82
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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.