Finding the Fourth Proportional to 722,447.16, 1,083,722.64 and 249,125.68
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Solution
The fourth proportional to 722,447.16, 1,083,722.64 and 249,125.68 is: 373,706.42
Step by Step Solution
- Step 1: Write the proportion equation
722,447.16 : 1,083,722.64 = 249,125.68 : x - Step 2: Convert to fraction form
722,447.16/1,083,722.64 = 249,125.68/x - Step 3: Cross multiply
722,447.16x = 1,083,722.64 × 249,125.68 - Step 4: Simplify right side
722,447.16x = 269,983,139,621.40 - Step 5: Solve for x
x = 269,983,139,621.40/722,447.16 - Step 6: Final answer
x = 373,706.42
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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.