Finding the Fourth Proportional to 607,363.09, 838,161.06 and 352,730.68
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Solution
The fourth proportional to 607,363.09, 838,161.06 and 352,730.68 is: 486,768.33
Step by Step Solution
- Step 1: Write the proportion equation
607,363.09 : 838,161.06 = 352,730.68 : x - Step 2: Convert to fraction form
607,363.09/838,161.06 = 352,730.68/x - Step 3: Cross multiply
607,363.09x = 838,161.06 × 352,730.68 - Step 4: Simplify right side
607,363.09x = 295,645,118,547.92 - Step 5: Solve for x
x = 295,645,118,547.92/607,363.09 - Step 6: Final answer
x = 486,768.33
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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.