Finding the Fourth Proportional to 524,291.92, 782,881.75 and 416,465.53
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Solution
The fourth proportional to 524,291.92, 782,881.75 and 416,465.53 is: 621,873.52
Step by Step Solution
- Step 1: Write the proportion equation
524,291.92 : 782,881.75 = 416,465.53 : x - Step 2: Convert to fraction form
524,291.92/782,881.75 = 416,465.53/x - Step 3: Cross multiply
524,291.92x = 782,881.75 × 416,465.53 - Step 4: Simplify right side
524,291.92x = 326,043,262,941.08 - Step 5: Solve for x
x = 326,043,262,941.08/524,291.92 - Step 6: Final answer
x = 621,873.52
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.