Finding the Fourth Proportional to 519,215.13, 716,455.76 and 301,373.55
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Solution
The fourth proportional to 519,215.13, 716,455.76 and 301,373.55 is: 415,860.02
Step by Step Solution
- Step 1: Write the proportion equation
519,215.13 : 716,455.76 = 301,373.55 : x - Step 2: Convert to fraction form
519,215.13/716,455.76 = 301,373.55/x - Step 3: Cross multiply
519,215.13x = 716,455.76 × 301,373.55 - Step 4: Simplify right side
519,215.13x = 215,920,814,302.28 - Step 5: Solve for x
x = 215,920,814,302.28/519,215.13 - Step 6: Final answer
x = 415,860.02
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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.