Finding the Fourth Proportional to 989,601.48, 1,484,198.08 and 483,643.08
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Solution
The fourth proportional to 989,601.48, 1,484,198.08 and 483,643.08 is: 725,364.85
Step by Step Solution
- Step 1: Write the proportion equation
989,601.48 : 1,484,198.08 = 483,643.08 : x - Step 2: Convert to fraction form
989,601.48/1,484,198.08 = 483,643.08/x - Step 3: Cross multiply
989,601.48x = 1,484,198.08 × 483,643.08 - Step 4: Simplify right side
989,601.48x = 717,822,130,741.29 - Step 5: Solve for x
x = 717,822,130,741.29/989,601.48 - Step 6: Final answer
x = 725,364.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.