Finding the Fourth Proportional to 916,337.79, 1,264,551.73 and 508,447.62
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Solution
The fourth proportional to 916,337.79, 1,264,551.73 and 508,447.62 is: 701,660.81
Step by Step Solution
- Step 1: Write the proportion equation
916,337.79 : 1,264,551.73 = 508,447.62 : x - Step 2: Convert to fraction form
916,337.79/1,264,551.73 = 508,447.62/x - Step 3: Cross multiply
916,337.79x = 1,264,551.73 × 508,447.62 - Step 4: Simplify right side
916,337.79x = 642,958,316,214.26 - Step 5: Solve for x
x = 642,958,316,214.26/916,337.79 - Step 6: Final answer
x = 701,660.81
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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.