Finding the Fourth Proportional to 671,431.17, 926,574.99 and 365,509.76
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Solution
The fourth proportional to 671,431.17, 926,574.99 and 365,509.76 is: 504,403.46
Step by Step Solution
- Step 1: Write the proportion equation
671,431.17 : 926,574.99 = 365,509.76 : x - Step 2: Convert to fraction form
671,431.17/926,574.99 = 365,509.76/x - Step 3: Cross multiply
671,431.17x = 926,574.99 × 365,509.76 - Step 4: Simplify right side
671,431.17x = 338,672,204,533.34 - Step 5: Solve for x
x = 338,672,204,533.34/671,431.17 - Step 6: Final answer
x = 504,403.46
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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.