Finding the Fourth Proportional to 779,501.70, 1,169,285.28 and 380,478.08
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Solution
The fourth proportional to 779,501.70, 1,169,285.28 and 380,478.08 is: 570,733.09
Step by Step Solution
- Step 1: Write the proportion equation
779,501.70 : 1,169,285.28 = 380,478.08 : x - Step 2: Convert to fraction form
779,501.70/1,169,285.28 = 380,478.08/x - Step 3: Cross multiply
779,501.70x = 1,169,285.28 × 380,478.08 - Step 4: Simplify right side
779,501.70x = 444,887,412,460.24 - Step 5: Solve for x
x = 444,887,412,460.24/779,501.70 - Step 6: Final answer
x = 570,733.09
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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.