Finding the Fourth Proportional to 985,929.06, 1,360,582.11 and 533,220.06
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Solution
The fourth proportional to 985,929.06, 1,360,582.11 and 533,220.06 is: 735,843.69
Step by Step Solution
- Step 1: Write the proportion equation
985,929.06 : 1,360,582.11 = 533,220.06 : x - Step 2: Convert to fraction form
985,929.06/1,360,582.11 = 533,220.06/x - Step 3: Cross multiply
985,929.06x = 1,360,582.11 × 533,220.06 - Step 4: Simplify right side
985,929.06x = 725,489,674,329.13 - Step 5: Solve for x
x = 725,489,674,329.13/985,929.06 - Step 6: Final answer
x = 735,843.69
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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.