Finding the Fourth Proportional to 954,905.99, 1,432,055.13 and 315,090.45
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Solution
The fourth proportional to 954,905.99, 1,432,055.13 and 315,090.45 is: 472,535.41
Step by Step Solution
- Step 1: Write the proportion equation
954,905.99 : 1,432,055.13 = 315,090.45 : x - Step 2: Convert to fraction form
954,905.99/1,432,055.13 = 315,090.45/x - Step 3: Cross multiply
954,905.99x = 1,432,055.13 × 315,090.45 - Step 4: Simplify right side
954,905.99x = 451,226,895,336.51 - Step 5: Solve for x
x = 451,226,895,336.51/954,905.99 - Step 6: Final answer
x = 472,535.41
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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.