Finding the Fourth Proportional to 708,475.36, 977,676.52 and 386,191.75
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Solution
The fourth proportional to 708,475.36, 977,676.52 and 386,191.75 is: 532,934.00
Step by Step Solution
- Step 1: Write the proportion equation
708,475.36 : 977,676.52 = 386,191.75 : x - Step 2: Convert to fraction form
708,475.36/977,676.52 = 386,191.75/x - Step 3: Cross multiply
708,475.36x = 977,676.52 × 386,191.75 - Step 4: Simplify right side
708,475.36x = 377,570,606,192.71 - Step 5: Solve for x
x = 377,570,606,192.71/708,475.36 - Step 6: Final answer
x = 532,934.00
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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.