Finding the Fourth Proportional to 905,415.51, 1,248,616.94 and 594,769.65
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Solution
The fourth proportional to 905,415.51, 1,248,616.94 and 594,769.65 is: 820,219.50
Step by Step Solution
- Step 1: Write the proportion equation
905,415.51 : 1,248,616.94 = 594,769.65 : x - Step 2: Convert to fraction form
905,415.51/1,248,616.94 = 594,769.65/x - Step 3: Cross multiply
905,415.51x = 1,248,616.94 × 594,769.65 - Step 4: Simplify right side
905,415.51x = 742,639,460,387.87 - Step 5: Solve for x
x = 742,639,460,387.87/905,415.51 - Step 6: Final answer
x = 820,219.50
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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.