Finding the Fourth Proportional to 936,955.66, 1,292,997.36 and 507,235.68
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Solution
The fourth proportional to 936,955.66, 1,292,997.36 and 507,235.68 is: 699,984.45
Step by Step Solution
- Step 1: Write the proportion equation
936,955.66 : 1,292,997.36 = 507,235.68 : x - Step 2: Convert to fraction form
936,955.66/1,292,997.36 = 507,235.68/x - Step 3: Cross multiply
936,955.66x = 1,292,997.36 × 507,235.68 - Step 4: Simplify right side
936,955.66x = 655,854,395,137.81 - Step 5: Solve for x
x = 655,854,395,137.81/936,955.66 - Step 6: Final answer
x = 699,984.45
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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.