Finding the Fourth Proportional to 717,766.05, 1,076,130.68 and 402,319.65
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Solution
The fourth proportional to 717,766.05, 1,076,130.68 and 402,319.65 is: 603,188.90
Step by Step Solution
- Step 1: Write the proportion equation
717,766.05 : 1,076,130.68 = 402,319.65 : x - Step 2: Convert to fraction form
717,766.05/1,076,130.68 = 402,319.65/x - Step 3: Cross multiply
717,766.05x = 1,076,130.68 × 402,319.65 - Step 4: Simplify right side
717,766.05x = 432,948,516,520.26 - Step 5: Solve for x
x = 432,948,516,520.26/717,766.05 - Step 6: Final answer
x = 603,188.90
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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.