Finding the Fourth Proportional to 757,373.06, 1,045,266.73 and 553,321.87
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Solution
The fourth proportional to 757,373.06, 1,045,266.73 and 553,321.87 is: 763,651.32
Step by Step Solution
- Step 1: Write the proportion equation
757,373.06 : 1,045,266.73 = 553,321.87 : x - Step 2: Convert to fraction form
757,373.06/1,045,266.73 = 553,321.87/x - Step 3: Cross multiply
757,373.06x = 1,045,266.73 × 553,321.87 - Step 4: Simplify right side
757,373.06x = 578,368,937,695.91 - Step 5: Solve for x
x = 578,368,937,695.91/757,373.06 - Step 6: Final answer
x = 763,651.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.