Finding the Fourth Proportional to 903,866.80, 1,247,294.36 and 495,958.48
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Solution
The fourth proportional to 903,866.80, 1,247,294.36 and 495,958.48 is: 684,399.75
Step by Step Solution
- Step 1: Write the proportion equation
903,866.80 : 1,247,294.36 = 495,958.48 : x - Step 2: Convert to fraction form
903,866.80/1,247,294.36 = 495,958.48/x - Step 3: Cross multiply
903,866.80x = 1,247,294.36 × 495,958.48 - Step 4: Simplify right side
903,866.80x = 618,606,214,898.17 - Step 5: Solve for x
x = 618,606,214,898.17/903,866.80 - Step 6: Final answer
x = 684,399.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.