Finding the Fourth Proportional to 766,460.98, 1,057,748.79 and 426,929.14
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Solution
The fourth proportional to 766,460.98, 1,057,748.79 and 426,929.14 is: 589,180.39
Step by Step Solution
- Step 1: Write the proportion equation
766,460.98 : 1,057,748.79 = 426,929.14 : x - Step 2: Convert to fraction form
766,460.98/1,057,748.79 = 426,929.14/x - Step 3: Cross multiply
766,460.98x = 1,057,748.79 × 426,929.14 - Step 4: Simplify right side
766,460.98x = 451,583,781,250.74 - Step 5: Solve for x
x = 451,583,781,250.74/766,460.98 - Step 6: Final answer
x = 589,180.39
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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.