Finding the Fourth Proportional to 708,335.24, 977,474.18 and 386,038.43
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Solution
The fourth proportional to 708,335.24, 977,474.18 and 386,038.43 is: 532,717.52
Step by Step Solution
- Step 1: Write the proportion equation
708,335.24 : 977,474.18 = 386,038.43 : x - Step 2: Convert to fraction form
708,335.24/977,474.18 = 386,038.43/x - Step 3: Cross multiply
708,335.24x = 977,474.18 × 386,038.43 - Step 4: Simplify right side
708,335.24x = 377,342,590,995.17 - Step 5: Solve for x
x = 377,342,590,995.17/708,335.24 - Step 6: Final answer
x = 532,717.52
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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.