Finding the Fourth Proportional to 782,512.68, 1,173,328.38 and 249,908.52
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Solution
The fourth proportional to 782,512.68, 1,173,328.38 and 249,908.52 is: 374,722.05
Step by Step Solution
- Step 1: Write the proportion equation
782,512.68 : 1,173,328.38 = 249,908.52 : x - Step 2: Convert to fraction form
782,512.68/1,173,328.38 = 249,908.52/x - Step 3: Cross multiply
782,512.68x = 1,173,328.38 × 249,908.52 - Step 4: Simplify right side
782,512.68x = 293,224,758,919.80 - Step 5: Solve for x
x = 293,224,758,919.80/782,512.68 - Step 6: Final answer
x = 374,722.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.