Finding the Fourth Proportional to 572,985.88, 790,733.68 and 314,878.88
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Solution
The fourth proportional to 572,985.88, 790,733.68 and 314,878.88 is: 434,540.09
Step by Step Solution
- Step 1: Write the proportion equation
572,985.88 : 790,733.68 = 314,878.88 : x - Step 2: Convert to fraction form
572,985.88/790,733.68 = 314,878.88/x - Step 3: Cross multiply
572,985.88x = 790,733.68 × 314,878.88 - Step 4: Simplify right side
572,985.88x = 248,985,335,536.68 - Step 5: Solve for x
x = 248,985,335,536.68/572,985.88 - Step 6: Final answer
x = 434,540.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.