Finding the Fourth Proportional to 698,739.21, 1,048,330.35 and 249,450.44
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Solution
The fourth proportional to 698,739.21, 1,048,330.35 and 249,450.44 is: 374,254.74
Step by Step Solution
- Step 1: Write the proportion equation
698,739.21 : 1,048,330.35 = 249,450.44 : x - Step 2: Convert to fraction form
698,739.21/1,048,330.35 = 249,450.44/x - Step 3: Cross multiply
698,739.21x = 1,048,330.35 × 249,450.44 - Step 4: Simplify right side
698,739.21x = 261,506,461,831.20 - Step 5: Solve for x
x = 261,506,461,831.20/698,739.21 - Step 6: Final answer
x = 374,254.74
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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.