Finding the Fourth Proportional to 747,132.14, 1,031,037.54 and 424,842.23
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Solution
The fourth proportional to 747,132.14, 1,031,037.54 and 424,842.23 is: 586,279.54
Step by Step Solution
- Step 1: Write the proportion equation
747,132.14 : 1,031,037.54 = 424,842.23 : x - Step 2: Convert to fraction form
747,132.14/1,031,037.54 = 424,842.23/x - Step 3: Cross multiply
747,132.14x = 1,031,037.54 × 424,842.23 - Step 4: Simplify right side
747,132.14x = 438,028,287,707.31 - Step 5: Solve for x
x = 438,028,287,707.31/747,132.14 - Step 6: Final answer
x = 586,279.54
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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.