Finding the Fourth Proportional to 518,920.61, 716,094.19 and 304,203.68
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Solution
The fourth proportional to 518,920.61, 716,094.19 and 304,203.68 is: 419,791.55
Step by Step Solution
- Step 1: Write the proportion equation
518,920.61 : 716,094.19 = 304,203.68 : x - Step 2: Convert to fraction form
518,920.61/716,094.19 = 304,203.68/x - Step 3: Cross multiply
518,920.61x = 716,094.19 × 304,203.68 - Step 4: Simplify right side
518,920.61x = 217,838,483,483.64 - Step 5: Solve for x
x = 217,838,483,483.64/518,920.61 - Step 6: Final answer
x = 419,791.55
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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.