Finding the Fourth Proportional to 590,130.20, 885,632.70 and 432,666.20
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Solution
The fourth proportional to 590,130.20, 885,632.70 and 432,666.20 is: 649,319.99
Step by Step Solution
- Step 1: Write the proportion equation
590,130.20 : 885,632.70 = 432,666.20 : x - Step 2: Convert to fraction form
590,130.20/885,632.70 = 432,666.20/x - Step 3: Cross multiply
590,130.20x = 885,632.70 × 432,666.20 - Step 4: Simplify right side
590,130.20x = 383,183,334,904.74 - Step 5: Solve for x
x = 383,183,334,904.74/590,130.20 - Step 6: Final answer
x = 649,319.99
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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.