Finding the Fourth Proportional to 763,024, 1,052,973.12 and 423,494.68
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Solution
The fourth proportional to 763,024, 1,052,973.12 and 423,494.68 is: 584,422.66
Step by Step Solution
- Step 1: Write the proportion equation
763,024 : 1,052,973.12 = 423,494.68 : x - Step 2: Convert to fraction form
763,024/1,052,973.12 = 423,494.68/x - Step 3: Cross multiply
763,024x = 1,052,973.12 × 423,494.68 - Step 4: Simplify right side
763,024x = 445,928,514,503.00 - Step 5: Solve for x
x = 445,928,514,503.00/763,024 - Step 6: Final answer
x = 584,422.66
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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.