Finding the Fourth Proportional to 947,210.99, 1,421,040.58 and 307,513.49
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Solution
The fourth proportional to 947,210.99, 1,421,040.58 and 307,513.49 is: 461,342.98
Step by Step Solution
- Step 1: Write the proportion equation
947,210.99 : 1,421,040.58 = 307,513.49 : x - Step 2: Convert to fraction form
947,210.99/1,421,040.58 = 307,513.49/x - Step 3: Cross multiply
947,210.99x = 1,421,040.58 × 307,513.49 - Step 4: Simplify right side
947,210.99x = 436,989,140,313.44 - Step 5: Solve for x
x = 436,989,140,313.44/947,210.99 - Step 6: Final answer
x = 461,342.98
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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.