Finding the Fourth Proportional to 742,440.06, 1,024,558.47 and 436,713.66
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Solution
The fourth proportional to 742,440.06, 1,024,558.47 and 436,713.66 is: 602,659.67
Step by Step Solution
- Step 1: Write the proportion equation
742,440.06 : 1,024,558.47 = 436,713.66 : x - Step 2: Convert to fraction form
742,440.06/1,024,558.47 = 436,713.66/x - Step 3: Cross multiply
742,440.06x = 1,024,558.47 × 436,713.66 - Step 4: Simplify right side
742,440.06x = 447,438,679,317.70 - Step 5: Solve for x
x = 447,438,679,317.70/742,440.06 - Step 6: Final answer
x = 602,659.67
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1.5x scale
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.