Finding the Fourth Proportional to 875,030.07, 1,207,542.30 and 472,622.07
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Solution
The fourth proportional to 875,030.07, 1,207,542.30 and 472,622.07 is: 652,218.89
Step by Step Solution
- Step 1: Write the proportion equation
875,030.07 : 1,207,542.30 = 472,622.07 : x - Step 2: Convert to fraction form
875,030.07/1,207,542.30 = 472,622.07/x - Step 3: Cross multiply
875,030.07x = 1,207,542.30 × 472,622.07 - Step 4: Simplify right side
875,030.07x = 570,711,141,438.56 - Step 5: Solve for x
x = 570,711,141,438.56/875,030.07 - Step 6: Final answer
x = 652,218.89
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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.