Finding the Fourth Proportional to 831,477.35, 1,246,655.61 and 671,749.81
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Solution
The fourth proportional to 831,477.35, 1,246,655.61 and 671,749.81 is: 1,007,171.95
Step by Step Solution
- Step 1: Write the proportion equation
831,477.35 : 1,246,655.61 = 671,749.81 : x - Step 2: Convert to fraction form
831,477.35/1,246,655.61 = 671,749.81/x - Step 3: Cross multiply
831,477.35x = 1,246,655.61 × 671,749.81 - Step 4: Simplify right side
831,477.35x = 837,440,666,036.30 - Step 5: Solve for x
x = 837,440,666,036.30/831,477.35 - Step 6: Final answer
x = 1,007,171.95
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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.