Finding the Fourth Proportional to 805,448.10, 1,208,088.99 and 272,955.36
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Solution
The fourth proportional to 805,448.10, 1,208,088.99 and 272,955.36 is: 409,404.86
Step by Step Solution
- Step 1: Write the proportion equation
805,448.10 : 1,208,088.99 = 272,955.36 : x - Step 2: Convert to fraction form
805,448.10/1,208,088.99 = 272,955.36/x - Step 3: Cross multiply
805,448.10x = 1,208,088.99 × 272,955.36 - Step 4: Simplify right side
805,448.10x = 329,754,365,177.49 - Step 5: Solve for x
x = 329,754,365,177.49/805,448.10 - Step 6: Final answer
x = 409,404.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.