Finding the Fourth Proportional to 639,029.27, 881,829.61 and 348,623.55
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Solution
The fourth proportional to 639,029.27, 881,829.61 and 348,623.55 is: 481,083.70
Step by Step Solution
- Step 1: Write the proportion equation
639,029.27 : 881,829.61 = 348,623.55 : x - Step 2: Convert to fraction form
639,029.27/881,829.61 = 348,623.55/x - Step 3: Cross multiply
639,029.27x = 881,829.61 × 348,623.55 - Step 4: Simplify right side
639,029.27x = 307,426,568,261.76 - Step 5: Solve for x
x = 307,426,568,261.76/639,029.27 - Step 6: Final answer
x = 481,083.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.