Finding the Fourth Proportional to 390,232.08, 584,392.77 and 322,348.79
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Solution
The fourth proportional to 390,232.08, 584,392.77 and 322,348.79 is: 482,734.02
Step by Step Solution
- Step 1: Write the proportion equation
390,232.08 : 584,392.77 = 322,348.79 : x - Step 2: Convert to fraction form
390,232.08/584,392.77 = 322,348.79/x - Step 3: Cross multiply
390,232.08x = 584,392.77 × 322,348.79 - Step 4: Simplify right side
390,232.08x = 188,378,299,372.28 - Step 5: Solve for x
x = 188,378,299,372.28/390,232.08 - Step 6: Final answer
x = 482,734.02
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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.