Finding the Fourth Proportional to 654,943.98, 903,749.56 and 368,457.92
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Solution
The fourth proportional to 654,943.98, 903,749.56 and 368,457.92 is: 508,430.79
Step by Step Solution
- Step 1: Write the proportion equation
654,943.98 : 903,749.56 = 368,457.92 : x - Step 2: Convert to fraction form
654,943.98/903,749.56 = 368,457.92/x - Step 3: Cross multiply
654,943.98x = 903,749.56 × 368,457.92 - Step 4: Simplify right side
654,943.98x = 332,993,683,078.52 - Step 5: Solve for x
x = 332,993,683,078.52/654,943.98 - Step 6: Final answer
x = 508,430.79
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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.