Finding the Fourth Proportional to 917,355.36, 1,265,992.43 and 509,459.00
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Solution
The fourth proportional to 917,355.36, 1,265,992.43 and 509,459.00 is: 703,076.76
Step by Step Solution
- Step 1: Write the proportion equation
917,355.36 : 1,265,992.43 = 509,459.00 : x - Step 2: Convert to fraction form
917,355.36/1,265,992.43 = 509,459.00/x - Step 3: Cross multiply
917,355.36x = 1,265,992.43 × 509,459.00 - Step 4: Simplify right side
917,355.36x = 644,971,232,956.74 - Step 5: Solve for x
x = 644,971,232,956.74/917,355.36 - Step 6: Final answer
x = 703,076.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.