Finding the Fourth Proportional to 725,407.12, 1,000,610.04 and 498,658.96
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Solution
The fourth proportional to 725,407.12, 1,000,610.04 and 498,658.96 is: 687,838.80
Step by Step Solution
- Step 1: Write the proportion equation
725,407.12 : 1,000,610.04 = 498,658.96 : x - Step 2: Convert to fraction form
725,407.12/1,000,610.04 = 498,658.96/x - Step 3: Cross multiply
725,407.12x = 1,000,610.04 × 498,658.96 - Step 4: Simplify right side
725,407.12x = 498,963,161,911.96 - Step 5: Solve for x
x = 498,963,161,911.96/725,407.12 - Step 6: Final answer
x = 687,838.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.