Finding the Fourth Proportional to 646,921.74, 968,906.36 and 571,240.74
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Solution
The fourth proportional to 646,921.74, 968,906.36 and 571,240.74 is: 855,557.56
Step by Step Solution
- Step 1: Write the proportion equation
646,921.74 : 968,906.36 = 571,240.74 : x - Step 2: Convert to fraction form
646,921.74/968,906.36 = 571,240.74/x - Step 3: Cross multiply
646,921.74x = 968,906.36 × 571,240.74 - Step 4: Simplify right side
646,921.74x = 553,478,786,077.11 - Step 5: Solve for x
x = 553,478,786,077.11/646,921.74 - Step 6: Final answer
x = 855,557.56
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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.