Finding the Fourth Proportional to 958,764.99, 1,438,696.97 and 390,041.11
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Solution
The fourth proportional to 958,764.99, 1,438,696.97 and 390,041.11 is: 585,285.20
Step by Step Solution
- Step 1: Write the proportion equation
958,764.99 : 1,438,696.97 = 390,041.11 : x - Step 2: Convert to fraction form
958,764.99/1,438,696.97 = 390,041.11/x - Step 3: Cross multiply
958,764.99x = 1,438,696.97 × 390,041.11 - Step 4: Simplify right side
958,764.99x = 561,150,963,132.44 - Step 5: Solve for x
x = 561,150,963,132.44/958,764.99 - Step 6: Final answer
x = 585,285.20
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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.