Finding the Fourth Proportional to 491,987.74, 738,214.89 and 292,701.82
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Solution
The fourth proportional to 491,987.74, 738,214.89 and 292,701.82 is: 439,191.52
Step by Step Solution
- Step 1: Write the proportion equation
491,987.74 : 738,214.89 = 292,701.82 : x - Step 2: Convert to fraction form
491,987.74/738,214.89 = 292,701.82/x - Step 3: Cross multiply
491,987.74x = 738,214.89 × 292,701.82 - Step 4: Simplify right side
491,987.74x = 216,076,841,854.10 - Step 5: Solve for x
x = 216,076,841,854.10/491,987.74 - Step 6: Final answer
x = 439,191.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.