Finding the Fourth Proportional to 471,795.84, 707,342.76 and 424,271.52
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Solution
The fourth proportional to 471,795.84, 707,342.76 and 424,271.52 is: 636,091.64
Step by Step Solution
- Step 1: Write the proportion equation
471,795.84 : 707,342.76 = 424,271.52 : x - Step 2: Convert to fraction form
471,795.84/707,342.76 = 424,271.52/x - Step 3: Cross multiply
471,795.84x = 707,342.76 × 424,271.52 - Step 4: Simplify right side
471,795.84x = 300,105,387,946.20 - Step 5: Solve for x
x = 300,105,387,946.20/471,795.84 - Step 6: Final answer
x = 636,091.64
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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.