Finding the Fourth Proportional to 1,157,586.01, 1,736,444.62 and 358,981.09
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Solution
The fourth proportional to 1,157,586.01, 1,736,444.62 and 358,981.09 is: 538,491.98
Step by Step Solution
- Step 1: Write the proportion equation
1,157,586.01 : 1,736,444.62 = 358,981.09 : x - Step 2: Convert to fraction form
1,157,586.01/1,736,444.62 = 358,981.09/x - Step 3: Cross multiply
1,157,586.01x = 1,736,444.62 × 358,981.09 - Step 4: Simplify right side
1,157,586.01x = 623,350,782,412.24 - Step 5: Solve for x
x = 623,350,782,412.24/1,157,586.01 - Step 6: Final answer
x = 538,491.98
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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.