Finding the Fourth Proportional to 862,929.99, 1,190,884.14 and 480,959.51
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Solution
The fourth proportional to 862,929.99, 1,190,884.14 and 480,959.51 is: 663,746.83
Step by Step Solution
- Step 1: Write the proportion equation
862,929.99 : 1,190,884.14 = 480,959.51 : x - Step 2: Convert to fraction form
862,929.99/1,190,884.14 = 480,959.51/x - Step 3: Cross multiply
862,929.99x = 1,190,884.14 × 480,959.51 - Step 4: Simplify right side
862,929.99x = 572,767,046,486.75 - Step 5: Solve for x
x = 572,767,046,486.75/862,929.99 - Step 6: Final answer
x = 663,746.83
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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.