Finding the Fourth Proportional to 519,053.63, 716,337.74 and 292,742.87
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Solution
The fourth proportional to 519,053.63, 716,337.74 and 292,742.87 is: 404,009.82
Step by Step Solution
- Step 1: Write the proportion equation
519,053.63 : 716,337.74 = 292,742.87 : x - Step 2: Convert to fraction form
519,053.63/716,337.74 = 292,742.87/x - Step 3: Cross multiply
519,053.63x = 716,337.74 × 292,742.87 - Step 4: Simplify right side
519,053.63x = 209,702,763,047.08 - Step 5: Solve for x
x = 209,702,763,047.08/519,053.63 - Step 6: Final answer
x = 404,009.82
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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.