Finding the Fourth Proportional to 891,638.60, 1,337,652.30 and 292,497.80
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Solution
The fourth proportional to 891,638.60, 1,337,652.30 and 292,497.80 is: 438,810.47
Step by Step Solution
- Step 1: Write the proportion equation
891,638.60 : 1,337,652.30 = 292,497.80 : x - Step 2: Convert to fraction form
891,638.60/1,337,652.30 = 292,497.80/x - Step 3: Cross multiply
891,638.60x = 1,337,652.30 × 292,497.80 - Step 4: Simplify right side
891,638.60x = 391,260,354,914.94 - Step 5: Solve for x
x = 391,260,354,914.94/891,638.60 - Step 6: Final answer
x = 438,810.47
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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.