Finding the Fourth Proportional to 390,598.25, 584,941.91 and 352,733.08
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Solution
The fourth proportional to 390,598.25, 584,941.91 and 352,733.08 is: 528,236.77
Step by Step Solution
- Step 1: Write the proportion equation
390,598.25 : 584,941.91 = 352,733.08 : x - Step 2: Convert to fraction form
390,598.25/584,941.91 = 352,733.08/x - Step 3: Cross multiply
390,598.25x = 584,941.91 × 352,733.08 - Step 4: Simplify right side
390,598.25x = 206,328,359,406.13 - Step 5: Solve for x
x = 206,328,359,406.13/390,598.25 - Step 6: Final answer
x = 528,236.77
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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.