Finding the Fourth Proportional to 984,395.50, 1,358,766.04 and 571,036.74
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Solution
The fourth proportional to 984,395.50, 1,358,766.04 and 571,036.74 is: 788,204.87
Step by Step Solution
- Step 1: Write the proportion equation
984,395.50 : 1,358,766.04 = 571,036.74 : x - Step 2: Convert to fraction form
984,395.50/1,358,766.04 = 571,036.74/x - Step 3: Cross multiply
984,395.50x = 1,358,766.04 × 571,036.74 - Step 4: Simplify right side
984,395.50x = 775,905,327,049.13 - Step 5: Solve for x
x = 775,905,327,049.13/984,395.50 - Step 6: Final answer
x = 788,204.87
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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.