Finding the Fourth Proportional to 931,174.74, 1,398,533.58 and 578,652.12
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Solution
The fourth proportional to 931,174.74, 1,398,533.58 and 578,652.12 is: 869,079.01
Step by Step Solution
- Step 1: Write the proportion equation
931,174.74 : 1,398,533.58 = 578,652.12 : x - Step 2: Convert to fraction form
931,174.74/1,398,533.58 = 578,652.12/x - Step 3: Cross multiply
931,174.74x = 1,398,533.58 × 578,652.12 - Step 4: Simplify right side
931,174.74x = 809,264,420,958.19 - Step 5: Solve for x
x = 809,264,420,958.19/931,174.74 - Step 6: Final answer
x = 869,079.01
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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.