Finding the Fourth Proportional to 782,254.68, 1,173,372.12 and 249,768.96
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Solution
The fourth proportional to 782,254.68, 1,173,372.12 and 249,768.96 is: 374,650.28
Step by Step Solution
- Step 1: Write the proportion equation
782,254.68 : 1,173,372.12 = 249,768.96 : x - Step 2: Convert to fraction form
782,254.68/1,173,372.12 = 249,768.96/x - Step 3: Cross multiply
782,254.68x = 1,173,372.12 × 249,768.96 - Step 4: Simplify right side
782,254.68x = 293,071,934,105.40 - Step 5: Solve for x
x = 293,071,934,105.40/782,254.68 - Step 6: Final answer
x = 374,650.28
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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.