Finding the Fourth Proportional to 808,323.66, 1,115,460.99 and 445,762.80
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Solution
The fourth proportional to 808,323.66, 1,115,460.99 and 445,762.80 is: 615,138.51
Step by Step Solution
- Step 1: Write the proportion equation
808,323.66 : 1,115,460.99 = 445,762.80 : x - Step 2: Convert to fraction form
808,323.66/1,115,460.99 = 445,762.80/x - Step 3: Cross multiply
808,323.66x = 1,115,460.99 × 445,762.80 - Step 4: Simplify right side
808,323.66x = 497,231,014,193.17 - Step 5: Solve for x
x = 497,231,014,193.17/808,323.66 - Step 6: Final answer
x = 615,138.51
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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.