Finding the Fourth Proportional to 903,407.01, 1,246,703.45 and 495,512.17
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Solution
The fourth proportional to 903,407.01, 1,246,703.45 and 495,512.17 is: 683,807.77
Step by Step Solution
- Step 1: Write the proportion equation
903,407.01 : 1,246,703.45 = 495,512.17 : x - Step 2: Convert to fraction form
903,407.01/1,246,703.45 = 495,512.17/x - Step 3: Cross multiply
903,407.01x = 1,246,703.45 × 495,512.17 - Step 4: Simplify right side
903,407.01x = 617,756,729,048.92 - Step 5: Solve for x
x = 617,756,729,048.92/903,407.01 - Step 6: Final answer
x = 683,807.77
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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.