Finding the Fourth Proportional to 713,352.42, 1,070,378.87 and 286,871.00
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Solution
The fourth proportional to 713,352.42, 1,070,378.87 and 286,871.00 is: 430,447.34
Step by Step Solution
- Step 1: Write the proportion equation
713,352.42 : 1,070,378.87 = 286,871.00 : x - Step 2: Convert to fraction form
713,352.42/1,070,378.87 = 286,871.00/x - Step 3: Cross multiply
713,352.42x = 1,070,378.87 × 286,871.00 - Step 4: Simplify right side
713,352.42x = 307,060,650,029.52 - Step 5: Solve for x
x = 307,060,650,029.52/713,352.42 - Step 6: Final answer
x = 430,447.34
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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.