Finding the Fourth Proportional to 717,649.47, 1,076,572.62 and 212,250.17
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Solution
The fourth proportional to 717,649.47, 1,076,572.62 and 212,250.17 is: 318,404.37
Step by Step Solution
- Step 1: Write the proportion equation
717,649.47 : 1,076,572.62 = 212,250.17 : x - Step 2: Convert to fraction form
717,649.47/1,076,572.62 = 212,250.17/x - Step 3: Cross multiply
717,649.47x = 1,076,572.62 × 212,250.17 - Step 4: Simplify right side
717,649.47x = 228,502,724,303.78 - Step 5: Solve for x
x = 228,502,724,303.78/717,649.47 - Step 6: Final answer
x = 318,404.37
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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.