Finding the Fourth Proportional to 761,616.14, 1,051,023.74 and 417,471.18
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Solution
The fourth proportional to 761,616.14, 1,051,023.74 and 417,471.18 is: 576,106.65
Step by Step Solution
- Step 1: Write the proportion equation
761,616.14 : 1,051,023.74 = 417,471.18 : x - Step 2: Convert to fraction form
761,616.14/1,051,023.74 = 417,471.18/x - Step 3: Cross multiply
761,616.14x = 1,051,023.74 × 417,471.18 - Step 4: Simplify right side
761,616.14x = 438,772,120,945.81 - Step 5: Solve for x
x = 438,772,120,945.81/761,616.14 - Step 6: Final answer
x = 576,106.65
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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.