Finding the Fourth Proportional to 798,497.80, 1,197,746.70 and 719,765.80
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Solution
The fourth proportional to 798,497.80, 1,197,746.70 and 719,765.80 is: 1,079,648.70
Step by Step Solution
- Step 1: Write the proportion equation
798,497.80 : 1,197,746.70 = 719,765.80 : x - Step 2: Convert to fraction form
798,497.80/1,197,746.70 = 719,765.80/x - Step 3: Cross multiply
798,497.80x = 1,197,746.70 × 719,765.80 - Step 4: Simplify right side
798,497.80x = 862,097,111,722.86 - Step 5: Solve for x
x = 862,097,111,722.86/798,497.80 - Step 6: Final answer
x = 1,079,648.70
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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.