Finding the Fourth Proportional to 517,323.13, 713,968.08 and 313,368.07
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Solution
The fourth proportional to 517,323.13, 713,968.08 and 313,368.07 is: 432,485.59
Step by Step Solution
- Step 1: Write the proportion equation
517,323.13 : 713,968.08 = 313,368.07 : x - Step 2: Convert to fraction form
517,323.13/713,968.08 = 313,368.07/x - Step 3: Cross multiply
517,323.13x = 713,968.08 × 313,368.07 - Step 4: Simplify right side
517,323.13x = 223,734,799,271.21 - Step 5: Solve for x
x = 223,734,799,271.21/517,323.13 - Step 6: Final answer
x = 432,485.59
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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.