Finding the Fourth Proportional to 535,831.63, 740,061.35 and 352,887.99
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Solution
The fourth proportional to 535,831.63, 740,061.35 and 352,887.99 is: 487,389.60
Step by Step Solution
- Step 1: Write the proportion equation
535,831.63 : 740,061.35 = 352,887.99 : x - Step 2: Convert to fraction form
535,831.63/740,061.35 = 352,887.99/x - Step 3: Cross multiply
535,831.63x = 740,061.35 × 352,887.99 - Step 4: Simplify right side
535,831.63x = 261,158,763,288.98 - Step 5: Solve for x
x = 261,158,763,288.98/535,831.63 - Step 6: Final answer
x = 487,389.60
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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.