Finding the Fourth Proportional to 979,331.55, 1,467,029.03 and 660,466.95
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Solution
The fourth proportional to 979,331.55, 1,467,029.03 and 660,466.95 is: 989,372.99
Step by Step Solution
- Step 1: Write the proportion equation
979,331.55 : 1,467,029.03 = 660,466.95 : x - Step 2: Convert to fraction form
979,331.55/1,467,029.03 = 660,466.95/x - Step 3: Cross multiply
979,331.55x = 1,467,029.03 × 660,466.95 - Step 4: Simplify right side
979,331.55x = 968,924,185,703.22 - Step 5: Solve for x
x = 968,924,185,703.22/979,331.55 - Step 6: Final answer
x = 989,372.99
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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.