Finding the Fourth Proportional to 671,313.16, 1,007,117.70 and 292,294.72
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Solution
The fourth proportional to 671,313.16, 1,007,117.70 and 292,294.72 is: 438,506.50
Step by Step Solution
- Step 1: Write the proportion equation
671,313.16 : 1,007,117.70 = 292,294.72 : x - Step 2: Convert to fraction form
671,313.16/1,007,117.70 = 292,294.72/x - Step 3: Cross multiply
671,313.16x = 1,007,117.70 × 292,294.72 - Step 4: Simplify right side
671,313.16x = 294,375,186,128.54 - Step 5: Solve for x
x = 294,375,186,128.54/671,313.16 - Step 6: Final answer
x = 438,506.50
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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.