Finding the Fourth Proportional to 648,402.24, 972,603.36 and 332,657.76
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Solution
The fourth proportional to 648,402.24, 972,603.36 and 332,657.76 is: 498,986.64
Step by Step Solution
- Step 1: Write the proportion equation
648,402.24 : 972,603.36 = 332,657.76 : x - Step 2: Convert to fraction form
648,402.24/972,603.36 = 332,657.76/x - Step 3: Cross multiply
648,402.24x = 972,603.36 × 332,657.76 - Step 4: Simplify right side
648,402.24x = 323,544,055,106.07 - Step 5: Solve for x
x = 323,544,055,106.07/648,402.24 - Step 6: Final answer
x = 498,986.64
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.