Finding the Fourth Proportional to 519,480.94, 716,876.71 and 290,041.74
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Solution
The fourth proportional to 519,480.94, 716,876.71 and 290,041.74 is: 400,253.70
Step by Step Solution
- Step 1: Write the proportion equation
519,480.94 : 716,876.71 = 290,041.74 : x - Step 2: Convert to fraction form
519,480.94/716,876.71 = 290,041.74/x - Step 3: Cross multiply
519,480.94x = 716,876.71 × 290,041.74 - Step 4: Simplify right side
519,480.94x = 207,924,167,224.04 - Step 5: Solve for x
x = 207,924,167,224.04/519,480.94 - Step 6: Final answer
x = 400,253.70
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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.