Finding the Fourth Proportional to 528,890.40, 793,675.80 and 292,402.80
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Solution
The fourth proportional to 528,890.40, 793,675.80 and 292,402.80 is: 438,792.28
Step by Step Solution
- Step 1: Write the proportion equation
528,890.40 : 793,675.80 = 292,402.80 : x - Step 2: Convert to fraction form
528,890.40/793,675.80 = 292,402.80/x - Step 3: Cross multiply
528,890.40x = 793,675.80 × 292,402.80 - Step 4: Simplify right side
528,890.40x = 232,073,026,212.24 - Step 5: Solve for x
x = 232,073,026,212.24/528,890.40 - Step 6: Final answer
x = 438,792.28
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1.5x scale
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.