Finding the Fourth Proportional to 517,700.21, 714,646.76 and 348,032.75
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Solution
The fourth proportional to 517,700.21, 714,646.76 and 348,032.75 is: 480,433.40
Step by Step Solution
- Step 1: Write the proportion equation
517,700.21 : 714,646.76 = 348,032.75 : x - Step 2: Convert to fraction form
517,700.21/714,646.76 = 348,032.75/x - Step 3: Cross multiply
517,700.21x = 714,646.76 × 348,032.75 - Step 4: Simplify right side
517,700.21x = 248,720,471,847.99 - Step 5: Solve for x
x = 248,720,471,847.99/517,700.21 - Step 6: Final answer
x = 480,433.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.