Finding the Fourth Proportional to 903,407.13, 1,246,703.62 and 495,512.29
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Solution
The fourth proportional to 903,407.13, 1,246,703.62 and 495,512.29 is: 683,807.94
Step by Step Solution
- Step 1: Write the proportion equation
903,407.13 : 1,246,703.62 = 495,512.29 : x - Step 2: Convert to fraction form
903,407.13/1,246,703.62 = 495,512.29/x - Step 3: Cross multiply
903,407.13x = 1,246,703.62 × 495,512.29 - Step 4: Simplify right side
903,407.13x = 617,756,970,672.42 - Step 5: Solve for x
x = 617,756,970,672.42/903,407.13 - Step 6: Final answer
x = 683,807.94
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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.