Finding the Fourth Proportional to 903,611.99, 1,246,989.14 and 495,751.53
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Solution
The fourth proportional to 903,611.99, 1,246,989.14 and 495,751.53 is: 684,139.63
Step by Step Solution
- Step 1: Write the proportion equation
903,611.99 : 1,246,989.14 = 495,751.53 : x - Step 2: Convert to fraction form
903,611.99/1,246,989.14 = 495,751.53/x - Step 3: Cross multiply
903,611.99x = 1,246,989.14 × 495,751.53 - Step 4: Simplify right side
903,611.99x = 618,196,774,048.38 - Step 5: Solve for x
x = 618,196,774,048.38/903,611.99 - Step 6: Final answer
x = 684,139.63
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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.