Finding the Fourth Proportional to 766,064.08, 1,057,175.76 and 426,539.62
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Solution
The fourth proportional to 766,064.08, 1,057,175.76 and 426,539.62 is: 588,628.76
Step by Step Solution
- Step 1: Write the proportion equation
766,064.08 : 1,057,175.76 = 426,539.62 : x - Step 2: Convert to fraction form
766,064.08/1,057,175.76 = 426,539.62/x - Step 3: Cross multiply
766,064.08x = 1,057,175.76 × 426,539.62 - Step 4: Simplify right side
766,064.08x = 450,927,346,943.61 - Step 5: Solve for x
x = 450,927,346,943.61/766,064.08 - Step 6: Final answer
x = 588,628.76
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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.