Finding the Fourth Proportional to 916,030.86, 1,373,381.99 and 615,766.70
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Solution
The fourth proportional to 916,030.86, 1,373,381.99 and 615,766.70 is: 923,203.50
Step by Step Solution
- Step 1: Write the proportion equation
916,030.86 : 1,373,381.99 = 615,766.70 : x - Step 2: Convert to fraction form
916,030.86/1,373,381.99 = 615,766.70/x - Step 3: Cross multiply
916,030.86x = 1,373,381.99 × 615,766.70 - Step 4: Simplify right side
916,030.86x = 845,682,893,927.70 - Step 5: Solve for x
x = 845,682,893,927.70/916,030.86 - Step 6: Final answer
x = 923,203.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.