Finding the Fourth Proportional to 519,260.64, 716,580.68 and 286,688.03
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Solution
The fourth proportional to 519,260.64, 716,580.68 and 286,688.03 is: 395,630.03
Step by Step Solution
- Step 1: Write the proportion equation
519,260.64 : 716,580.68 = 286,688.03 : x - Step 2: Convert to fraction form
519,260.64/716,580.68 = 286,688.03/x - Step 3: Cross multiply
519,260.64x = 716,580.68 × 286,688.03 - Step 4: Simplify right side
519,260.64x = 205,435,101,514.45 - Step 5: Solve for x
x = 205,435,101,514.45/519,260.64 - Step 6: Final answer
x = 395,630.03
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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.