Finding the Fourth Proportional to 554,389.00, 765,056.69 and 312,671.06
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Solution
The fourth proportional to 554,389.00, 765,056.69 and 312,671.06 is: 431,485.99
Step by Step Solution
- Step 1: Write the proportion equation
554,389.00 : 765,056.69 = 312,671.06 : x - Step 2: Convert to fraction form
554,389.00/765,056.69 = 312,671.06/x - Step 3: Cross multiply
554,389.00x = 765,056.69 × 312,671.06 - Step 4: Simplify right side
554,389.00x = 239,211,083,178.79 - Step 5: Solve for x
x = 239,211,083,178.79/554,389.00 - Step 6: Final answer
x = 431,485.99
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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.