Finding the Fourth Proportional to 936,924.20, 1,292,955.81 and 507,204.31
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Solution
The fourth proportional to 936,924.20, 1,292,955.81 and 507,204.31 is: 699,942.18
Step by Step Solution
- Step 1: Write the proportion equation
936,924.20 : 1,292,955.81 = 507,204.31 : x - Step 2: Convert to fraction form
936,924.20/1,292,955.81 = 507,204.31/x - Step 3: Cross multiply
936,924.20x = 1,292,955.81 × 507,204.31 - Step 4: Simplify right side
936,924.20x = 655,792,762,703.93 - Step 5: Solve for x
x = 655,792,762,703.93/936,924.20 - Step 6: Final answer
x = 699,942.18
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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.