Finding the Fourth Proportional to 564,238.21, 778,648.74 and 322,526.02
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Solution
The fourth proportional to 564,238.21, 778,648.74 and 322,526.02 is: 445,085.91
Step by Step Solution
- Step 1: Write the proportion equation
564,238.21 : 778,648.74 = 322,526.02 : x - Step 2: Convert to fraction form
564,238.21/778,648.74 = 322,526.02/x - Step 3: Cross multiply
564,238.21x = 778,648.74 × 322,526.02 - Step 4: Simplify right side
564,238.21x = 251,134,479,090.22 - Step 5: Solve for x
x = 251,134,479,090.22/564,238.21 - Step 6: Final answer
x = 445,085.91
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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.