Finding the Fourth Proportional to 578,771.41, 798,560.28 and 333,831.06
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Solution
The fourth proportional to 578,771.41, 798,560.28 and 333,831.06 is: 460,603.65
Step by Step Solution
- Step 1: Write the proportion equation
578,771.41 : 798,560.28 = 333,831.06 : x - Step 2: Convert to fraction form
578,771.41/798,560.28 = 333,831.06/x - Step 3: Cross multiply
578,771.41x = 798,560.28 × 333,831.06 - Step 4: Simplify right side
578,771.41x = 266,584,224,746.30 - Step 5: Solve for x
x = 266,584,224,746.30/578,771.41 - Step 6: Final answer
x = 460,603.65
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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.