Finding the Fourth Proportional to 708,022.58, 977,068.23 and 385,731.68
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Solution
The fourth proportional to 708,022.58, 977,068.23 and 385,731.68 is: 532,308.12
Step by Step Solution
- Step 1: Write the proportion equation
708,022.58 : 977,068.23 = 385,731.68 : x - Step 2: Convert to fraction form
708,022.58/977,068.23 = 385,731.68/x - Step 3: Cross multiply
708,022.58x = 977,068.23 × 385,731.68 - Step 4: Simplify right side
708,022.58x = 376,886,164,947.19 - Step 5: Solve for x
x = 376,886,164,947.19/708,022.58 - Step 6: Final answer
x = 532,308.12
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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.