Finding the Fourth Proportional to 785,643.24, 1,178,532.74 and 217,024.14
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Solution
The fourth proportional to 785,643.24, 1,178,532.74 and 217,024.14 is: 325,554.96
Step by Step Solution
- Step 1: Write the proportion equation
785,643.24 : 1,178,532.74 = 217,024.14 : x - Step 2: Convert to fraction form
785,643.24/1,178,532.74 = 217,024.14/x - Step 3: Cross multiply
785,643.24x = 1,178,532.74 × 217,024.14 - Step 4: Simplify right side
785,643.24x = 255,770,054,360.34 - Step 5: Solve for x
x = 255,770,054,360.34/785,643.24 - Step 6: Final answer
x = 325,554.96
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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.