Finding the Fourth Proportional to 983,407.30, 1,475,110.95 and 867,933.70
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Solution
The fourth proportional to 983,407.30, 1,475,110.95 and 867,933.70 is: 1,301,900.55
Step by Step Solution
- Step 1: Write the proportion equation
983,407.30 : 1,475,110.95 = 867,933.70 : x - Step 2: Convert to fraction form
983,407.30/1,475,110.95 = 867,933.70/x - Step 3: Cross multiply
983,407.30x = 1,475,110.95 × 867,933.70 - Step 4: Simplify right side
983,407.30x = 1,280,298,504,744.01 - Step 5: Solve for x
x = 1,280,298,504,744.01/983,407.30 - Step 6: Final answer
x = 1,301,900.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.