Finding the Fourth Proportional to 717,176.08, 1,076,428.84 and 362,439.80
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Solution
The fourth proportional to 717,176.08, 1,076,428.84 and 362,439.80 is: 543,995.63
Step by Step Solution
- Step 1: Write the proportion equation
717,176.08 : 1,076,428.84 = 362,439.80 : x - Step 2: Convert to fraction form
717,176.08/1,076,428.84 = 362,439.80/x - Step 3: Cross multiply
717,176.08x = 1,076,428.84 × 362,439.80 - Step 4: Simplify right side
717,176.08x = 390,140,653,483.83 - Step 5: Solve for x
x = 390,140,653,483.83/717,176.08 - Step 6: Final answer
x = 543,995.63
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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.