Finding the Fourth Proportional to 566,402.99, 781,238.16 and 372,749.00
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Solution
The fourth proportional to 566,402.99, 781,238.16 and 372,749.00 is: 514,131.72
Step by Step Solution
- Step 1: Write the proportion equation
566,402.99 : 781,238.16 = 372,749.00 : x - Step 2: Convert to fraction form
566,402.99/781,238.16 = 372,749.00/x - Step 3: Cross multiply
566,402.99x = 781,238.16 × 372,749.00 - Step 4: Simplify right side
566,402.99x = 291,205,738,995.65 - Step 5: Solve for x
x = 291,205,738,995.65/566,402.99 - Step 6: Final answer
x = 514,131.72
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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.