Finding the Fourth Proportional to 759,862.40, 1,139,793.37 and 286,437.05
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Solution
The fourth proportional to 759,862.40, 1,139,793.37 and 286,437.05 is: 429,655.49
Step by Step Solution
- Step 1: Write the proportion equation
759,862.40 : 1,139,793.37 = 286,437.05 : x - Step 2: Convert to fraction form
759,862.40/1,139,793.37 = 286,437.05/x - Step 3: Cross multiply
759,862.40x = 1,139,793.37 × 286,437.05 - Step 4: Simplify right side
759,862.40x = 326,479,050,512.36 - Step 5: Solve for x
x = 326,479,050,512.36/759,862.40 - Step 6: Final answer
x = 429,655.49
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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.