Finding the Fourth Proportional to 493,539.41, 740,604.05 and 453,386.09
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Solution
The fourth proportional to 493,539.41, 740,604.05 and 453,386.09 is: 680,350.07
Step by Step Solution
- Step 1: Write the proportion equation
493,539.41 : 740,604.05 = 453,386.09 : x - Step 2: Convert to fraction form
493,539.41/740,604.05 = 453,386.09/x - Step 3: Cross multiply
493,539.41x = 740,604.05 × 453,386.09 - Step 4: Simplify right side
493,539.41x = 335,779,574,467.67 - Step 5: Solve for x
x = 335,779,574,467.67/493,539.41 - Step 6: Final answer
x = 680,350.07
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1.5x scale
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.