Finding the Fourth Proportional to 519,047.56, 716,285.70 and 292,693.12
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Solution
The fourth proportional to 519,047.56, 716,285.70 and 292,693.12 is: 403,916.54
Step by Step Solution
- Step 1: Write the proportion equation
519,047.56 : 716,285.70 = 292,693.12 : x - Step 2: Convert to fraction form
519,047.56/716,285.70 = 292,693.12/x - Step 3: Cross multiply
519,047.56x = 716,285.70 × 292,693.12 - Step 4: Simplify right side
519,047.56x = 209,651,896,344.38 - Step 5: Solve for x
x = 209,651,896,344.38/519,047.56 - Step 6: Final answer
x = 403,916.54
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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.