Finding the Fourth Proportional to 575,970.19, 863,254.86 and 407,539.06
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Solution
The fourth proportional to 575,970.19, 863,254.86 and 407,539.06 is: 610,812.99
Step by Step Solution
- Step 1: Write the proportion equation
575,970.19 : 863,254.86 = 407,539.06 : x - Step 2: Convert to fraction form
575,970.19/863,254.86 = 407,539.06/x - Step 3: Cross multiply
575,970.19x = 863,254.86 × 407,539.06 - Step 4: Simplify right side
575,970.19x = 351,810,074,184.83 - Step 5: Solve for x
x = 351,810,074,184.83/575,970.19 - Step 6: Final answer
x = 610,812.99
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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.