Finding the Fourth Proportional to 855,941.99, 1,181,235.53 and 473,968.76
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Solution
The fourth proportional to 855,941.99, 1,181,235.53 and 473,968.76 is: 654,096.59
Step by Step Solution
- Step 1: Write the proportion equation
855,941.99 : 1,181,235.53 = 473,968.76 : x - Step 2: Convert to fraction form
855,941.99/1,181,235.53 = 473,968.76/x - Step 3: Cross multiply
855,941.99x = 1,181,235.53 × 473,968.76 - Step 4: Simplify right side
855,941.99x = 559,868,734,700.79 - Step 5: Solve for x
x = 559,868,734,700.79/855,941.99 - Step 6: Final answer
x = 654,096.59
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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.