Finding the Fourth Proportional to 575,152.99, 793,756.80 and 317,075.80
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Solution
The fourth proportional to 575,152.99, 793,756.80 and 317,075.80 is: 437,589.78
Step by Step Solution
- Step 1: Write the proportion equation
575,152.99 : 793,756.80 = 317,075.80 : x - Step 2: Convert to fraction form
575,152.99/793,756.80 = 317,075.80/x - Step 3: Cross multiply
575,152.99x = 793,756.80 × 317,075.80 - Step 4: Simplify right side
575,152.99x = 251,681,071,869.34 - Step 5: Solve for x
x = 251,681,071,869.34/575,152.99 - Step 6: Final answer
x = 437,589.78
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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.