Finding the Fourth Proportional to 761,812.03, 1,051,277.84 and 417,636.19
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Solution
The fourth proportional to 761,812.03, 1,051,277.84 and 417,636.19 is: 576,325.46
Step by Step Solution
- Step 1: Write the proportion equation
761,812.03 : 1,051,277.84 = 417,636.19 : x - Step 2: Convert to fraction form
761,812.03/1,051,277.84 = 417,636.19/x - Step 3: Cross multiply
761,812.03x = 1,051,277.84 × 417,636.19 - Step 4: Simplify right side
761,812.03x = 439,051,667,012.65 - Step 5: Solve for x
x = 439,051,667,012.65/761,812.03 - Step 6: Final answer
x = 576,325.46
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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.