Finding the Fourth Proportional to 684,271.06, 944,277.35 and 378,339.67
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Solution
The fourth proportional to 684,271.06, 944,277.35 and 378,339.67 is: 522,099.50
Step by Step Solution
- Step 1: Write the proportion equation
684,271.06 : 944,277.35 = 378,339.67 : x - Step 2: Convert to fraction form
684,271.06/944,277.35 = 378,339.67/x - Step 3: Cross multiply
684,271.06x = 944,277.35 × 378,339.67 - Step 4: Simplify right side
684,271.06x = 357,257,580,987.48 - Step 5: Solve for x
x = 357,257,580,987.48/684,271.06 - Step 6: Final answer
x = 522,099.50
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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.