Finding the Fourth Proportional to 648,125.70, 972,188.55 and 630,629.70
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Solution
The fourth proportional to 648,125.70, 972,188.55 and 630,629.70 is: 945,944.55
Step by Step Solution
- Step 1: Write the proportion equation
648,125.70 : 972,188.55 = 630,629.70 : x - Step 2: Convert to fraction form
648,125.70/972,188.55 = 630,629.70/x - Step 3: Cross multiply
648,125.70x = 972,188.55 × 630,629.70 - Step 4: Simplify right side
648,125.70x = 613,090,973,629.94 - Step 5: Solve for x
x = 613,090,973,629.94/648,125.70 - Step 6: Final answer
x = 945,944.55
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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.