Finding the Fourth Proportional to 763,395.86, 1,053,615.86 and 441,292.68
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Solution
The fourth proportional to 763,395.86, 1,053,615.86 and 441,292.68 is: 609,058.80
Step by Step Solution
- Step 1: Write the proportion equation
763,395.86 : 1,053,615.86 = 441,292.68 : x - Step 2: Convert to fraction form
763,395.86/1,053,615.86 = 441,292.68/x - Step 3: Cross multiply
763,395.86x = 1,053,615.86 × 441,292.68 - Step 4: Simplify right side
763,395.86x = 464,952,964,343.44 - Step 5: Solve for x
x = 464,952,964,343.44/763,395.86 - Step 6: Final answer
x = 609,058.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.