Finding the Fourth Proportional to 779,593.74, 1,169,293.41 and 218,671.98
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Solution
The fourth proportional to 779,593.74, 1,169,293.41 and 218,671.98 is: 327,980.71
Step by Step Solution
- Step 1: Write the proportion equation
779,593.74 : 1,169,293.41 = 218,671.98 : x - Step 2: Convert to fraction form
779,593.74/1,169,293.41 = 218,671.98/x - Step 3: Cross multiply
779,593.74x = 1,169,293.41 × 218,671.98 - Step 4: Simplify right side
779,593.74x = 255,691,705,165.65 - Step 5: Solve for x
x = 255,691,705,165.65/779,593.74 - Step 6: Final answer
x = 327,980.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.