Finding the Fourth Proportional to 654,053.19, 979,958.70 and 519,532.19
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Solution
The fourth proportional to 654,053.19, 979,958.70 and 519,532.19 is: 778,407.77
Step by Step Solution
- Step 1: Write the proportion equation
654,053.19 : 979,958.70 = 519,532.19 : x - Step 2: Convert to fraction form
654,053.19/979,958.70 = 519,532.19/x - Step 3: Cross multiply
654,053.19x = 979,958.70 × 519,532.19 - Step 4: Simplify right side
654,053.19x = 509,120,084,620.76 - Step 5: Solve for x
x = 509,120,084,620.76/654,053.19 - Step 6: Final answer
x = 778,407.77
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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.