Finding the Fourth Proportional to 473,687.28, 709,257.68 and 360,829.88
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Solution
The fourth proportional to 473,687.28, 709,257.68 and 360,829.88 is: 540,274.94
Step by Step Solution
- Step 1: Write the proportion equation
473,687.28 : 709,257.68 = 360,829.88 : x - Step 2: Convert to fraction form
473,687.28/709,257.68 = 360,829.88/x - Step 3: Cross multiply
473,687.28x = 709,257.68 × 360,829.88 - Step 4: Simplify right side
473,687.28x = 255,921,367,365.85 - Step 5: Solve for x
x = 255,921,367,365.85/473,687.28 - Step 6: Final answer
x = 540,274.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.