Finding the Fourth Proportional to 972,402.70, 1,456,854.45 and 832,434.70
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Solution
The fourth proportional to 972,402.70, 1,456,854.45 and 832,434.70 is: 1,247,154.29
Step by Step Solution
- Step 1: Write the proportion equation
972,402.70 : 1,456,854.45 = 832,434.70 : x - Step 2: Convert to fraction form
972,402.70/1,456,854.45 = 832,434.70/x - Step 3: Cross multiply
972,402.70x = 1,456,854.45 × 832,434.70 - Step 4: Simplify right side
972,402.70x = 1,212,736,197,029.41 - Step 5: Solve for x
x = 1,212,736,197,029.41/972,402.70 - Step 6: Final answer
x = 1,247,154.29
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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.