Finding the Fourth Proportional to 708,536.08, 977,751.84 and 386,239.24
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Solution
The fourth proportional to 708,536.08, 977,751.84 and 386,239.24 is: 532,994.91
Step by Step Solution
- Step 1: Write the proportion equation
708,536.08 : 977,751.84 = 386,239.24 : x - Step 2: Convert to fraction form
708,536.08/977,751.84 = 386,239.24/x - Step 3: Cross multiply
708,536.08x = 977,751.84 × 386,239.24 - Step 4: Simplify right side
708,536.08x = 377,646,127,590.20 - Step 5: Solve for x
x = 377,646,127,590.20/708,536.08 - Step 6: Final answer
x = 532,994.91
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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.