Finding the Fourth Proportional to 708,326.76, 977,462.43 and 386,029.92
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Solution
The fourth proportional to 708,326.76, 977,462.43 and 386,029.92 is: 532,705.76
Step by Step Solution
- Step 1: Write the proportion equation
708,326.76 : 977,462.43 = 386,029.92 : x - Step 2: Convert to fraction form
708,326.76/977,462.43 = 386,029.92/x - Step 3: Cross multiply
708,326.76x = 977,462.43 × 386,029.92 - Step 4: Simplify right side
708,326.76x = 377,329,743,655.91 - Step 5: Solve for x
x = 377,329,743,655.91/708,326.76 - Step 6: Final answer
x = 532,705.76
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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.