Finding the Fourth Proportional to 621,695.96, 857,971.94 and 367,041.68
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Solution
The fourth proportional to 621,695.96, 857,971.94 and 367,041.68 is: 506,536.12
Step by Step Solution
- Step 1: Write the proportion equation
621,695.96 : 857,971.94 = 367,041.68 : x - Step 2: Convert to fraction form
621,695.96/857,971.94 = 367,041.68/x - Step 3: Cross multiply
621,695.96x = 857,971.94 × 367,041.68 - Step 4: Simplify right side
621,695.96x = 314,911,462,250.46 - Step 5: Solve for x
x = 314,911,462,250.46/621,695.96 - Step 6: Final answer
x = 506,536.12
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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.