Finding the Fourth Proportional to 692,302.32, 1,038,453.36 and 292,839.36
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Solution
The fourth proportional to 692,302.32, 1,038,453.36 and 292,839.36 is: 439,258.99
Step by Step Solution
- Step 1: Write the proportion equation
692,302.32 : 1,038,453.36 = 292,839.36 : x - Step 2: Convert to fraction form
692,302.32/1,038,453.36 = 292,839.36/x - Step 3: Cross multiply
692,302.32x = 1,038,453.36 × 292,839.36 - Step 4: Simplify right side
692,302.32x = 304,100,017,332.25 - Step 5: Solve for x
x = 304,100,017,332.25/692,302.32 - Step 6: Final answer
x = 439,258.99
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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.