Finding the Fourth Proportional to 717,556.75, 1,075,984.35 and 313,090.75
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Solution
The fourth proportional to 717,556.75, 1,075,984.35 and 313,090.75 is: 469,483.07
Step by Step Solution
- Step 1: Write the proportion equation
717,556.75 : 1,075,984.35 = 313,090.75 : x - Step 2: Convert to fraction form
717,556.75/1,075,984.35 = 313,090.75/x - Step 3: Cross multiply
717,556.75x = 1,075,984.35 × 313,090.75 - Step 4: Simplify right side
717,556.75x = 336,880,746,572.01 - Step 5: Solve for x
x = 336,880,746,572.01/717,556.75 - Step 6: Final answer
x = 469,483.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.