Finding the Fourth Proportional to 724,771.08, 1,000,023.03 and 438,285.06
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Solution
The fourth proportional to 724,771.08, 1,000,023.03 and 438,285.06 is: 604,735.99
Step by Step Solution
- Step 1: Write the proportion equation
724,771.08 : 1,000,023.03 = 438,285.06 : x - Step 2: Convert to fraction form
724,771.08/1,000,023.03 = 438,285.06/x - Step 3: Cross multiply
724,771.08x = 1,000,023.03 × 438,285.06 - Step 4: Simplify right side
724,771.08x = 438,295,153,704.93 - Step 5: Solve for x
x = 438,295,153,704.93/724,771.08 - Step 6: Final answer
x = 604,735.99
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1.5x scale
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.